An asteroid Swift ha 3700 n on Earth what is the masa of the asteroid?

Answer:

well first u divide the numbers

Option 2) is true. If the mass of the black hole doubles, then the Schwarzschild radius of the black hole also doubles.

The Schwarzschild radius of a black hole depends on its mass. When the mass of the black hole changes, its Schwarzschild radius is also affected. Specifically, if we double the mass of a black hole, the Schwarzschild radius of the black hole also doubles. The Schwarzschild radius is defined as the distance from the center of a black hole at which an object would need to be in order to escape its gravitational pull. It is represented by the equation Rs = 2GM/c² where Rs is the Schwarzschild radius, G is the gravitational constant, M is the mass of the black hole, and c is the speed of light.

The formula implies that Schwarzschild radius depends on the mass of the black hole.Therefore, if the mass of the black hole doubles, then the Schwarzschild radius of the black hole also doubles. Hence, option 2 is the correct statement.

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The speed of the spacecraft in a circular orbit around Mars at an altitude of 200 km is approximately 3,543.62 m/s, and the period of the orbit is approximately 6,867.97 seconds or 1.91 hours.

To calculate the speed of a spacecraft orbiting Mars in a circular orbit, use the formula: v = √(GM/R)

Where: v = speed of the spacecraft in meters per second

G = gravitational constant 6.674 × 10⁻¹¹ N m²/kg²

M = mass of Mars (6.39 × 10²³ kg)

R = radius of the orbit (200 km + the radius of Mars, 3,389 km)

Substituting in the values, we get:

v = √((6.674 × 10⁻¹¹ N m²/kg²) × (6.39 × 10²³ kg) / (3.5895 × 10⁶ m))

v ≈ 3,543.62 m/s

Therefore, the speed of the spacecraft in a circular orbit around Mars at an altitude of 200 km is approximately 3,543.62 m/s.

The formula to calculate the period of a circular orbit is T = 2πR/v

Where: T = period of the orbit in seconds

R = radius of the orbit in meters (200 km + 3389.5 km = 3589.5 km = 3.5895 × 10⁶ m)

v = speed of the spacecraft in meters per second

Plugging in the values, we get:

T = 2π(3.5895 × 10⁶ m) / (3,543.62 m/s)

T ≈ 6,867.97 seconds

The period of the orbit is approximately 6,867.97 seconds or 1.91 hours.

Therefore, the speed of the spacecraft in the circular orbit is 3,584 m/s and the period of the orbit is 6,867.97 seconds.

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Answer:

V = X i + Y j        expression of vector in terms of unit vectors i andj

V = 12.0 i + 9.00 j

V = (12.0^2 + 9.00^2)^1/2 = 15.0      magnitude of resultant vector

Note this is a multiple of a 3, 4, 5 right triangle

5 is the magnitude of a 3, 4, 5 right triangle the given vector is 3X the 3, 4, 5 triangle or 15

The structure that would have helped to protect the brain from the external force when the rock hit Cesar are as follows: Dura mater and Cerebrospinal fluid.

What is the central nervous system? The central nervous system (CNS) is responsible for processing incoming stimuli from the peripheral nervous system and producing a coordinated response. It includes the brain and the spinal cord.

The brain is the largest component of the CNS, comprising 2% of the body's weight but consuming about 20% of its oxygen and nutrients. It consists of three main parts: the brainstem, the cerebellum, and the cerebrum.

The brainstem is responsible for regulating critical functions like respiration, circulation, and digestion; the cerebellum controls motor coordination, and the cerebrum is the area of the brain responsible for sensory perception, emotion, and movement.

What is external force? External forces, also known as contact forces, are forces that act on an object as a result of its interaction with its surroundings. Forces that do not require contact to take effect, such as gravitational and magnetic forces, are not considered external forces.

Examples of external forces are gravity, air resistance, tension, and friction. Dura mater and Cerebrospinal fluid as the structure that would have helped to protect the brain from the external force when the rock hit Cesar. When a rock hits Cesar, the external force created by it must be transferred to the skull, and ultimately the brain.

However, several protective features of the head help to reduce the severity of the impact. The brain is protected by two main structures: the dura mater and the cerebrospinal fluid.

The dura mater is the outermost layer of the meninges, which is a protective membrane covering the brain and spinal cord. It acts as a cushion, absorbing some of the external force generated by the impact.

Cerebrospinal fluid is a clear liquid that flows throughout the central nervous system, filling the space between the brain and the skull. It acts as a shock absorber, reducing the impact's intensity by distributing the force more evenly.

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Answer:

The power of water transferred each hour through a 500m high dam if 500m² are cleared every hour is approximately 4.41 GW

Explanation:

To answer this question, we need to know the density of water, the gravitational acceleration, and the efficiency of the dam. Let's assume that the density of water is 1000 kg/m³, the gravitational acceleration is 9.81 m/s², and the efficiency of the dam is 100%.

The power of water transferred each hour through the dam is given by the formula:

Power = Flow rate x Density x Gravity x Height x Efficiency

where Flow rate is the volume of water that passes through the dam each second, Density is the density of water, Gravity is the gravitational acceleration, Height is the height of the dam, and Efficiency is the efficiency of the dam.

First, let's calculate the flow rate:

Flow rate = Area x Velocity

where Area is the cleared area of 500m² and Velocity is the speed of water passing through the dam.

Assuming that the water is moving at a constant speed, we can use the formula:

Velocity = Height / Time

where Time is the time it takes for the water to pass through the dam.

Since the height of the dam is 500m and we want to know the power transferred each hour, we can convert the time to seconds as follows:

Time = 1 hour / 3600 seconds per hour = 0.000277778 hours

So, the velocity of the water is:

Velocity = 500m / 0.000277778 hours = 1,800,000 m/s

Now we can calculate the flow rate:

Flow rate = 500m² x 1,800,000 m/s = 900,000 m³/s

Finally, we can calculate the power of water transferred each hour through the dam:

Power = Flow rate x Density x Gravity x Height x Efficiency

Power = 900,000 m³/s x 1000 kg/m³ x 9.81 m/s² x 500m x 1

Power = 4,405,500,000 watts or approximately 4.41 GW

Therefore, the power of water transferred each hour through a 500m high dam if 500m² are cleared every hour is approximately 4.41 GW.

(a) Angular acceleration of the tyres= 7.3 rad/s^2

(b) Time required to stop= 8.9 s

(c) Distance travelled= 492.5 m

The angular acceleration of the tires can be calculated by using the following equation:

Angular acceleration = (Change in angular velocity)/(time).

Using the given information, we can calculate the angular acceleration as follows:

Angular velocity = (95 revolutions)/(95 km/h)
Time = (95 km/h - 55 km/h)/(95 km/h)
Angular acceleration = (95 revolutions)/(Time x 0.80 m)
Angular acceleration = 7.3 rad/s^2

For part b, the amount of time required for the car to stop can be calculated as follows:

Time = (55 km/h)/(7.3 rad/s^2 x 0.80 m)
Time = 8.9 s

For part c, the distance the car travels can be calculated as follows:

Distance = (55 km/h x 8.9 s)
Distance = 492.5 m

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Explanation:

E=(mv²)/2 ΔE = E2-E1 = (m(v2²-v1²))/2 = ?

от этогo:

а) ΔE = 16 MДж

б) ΔE = 112 МДж

c) ΔΕ = 208 МДж

The current flowing out of a resistor is typically smaller than the current flowing into it. Resistors do not actually slow down the flow of charge, they merely convert electrical energy into heat.

The statement that the current flowing out of a resistor is smaller than the current flowing into it is correct. This is because resistors slow down the flow of charge. The amount of current flowing through a resistor is determined by the amount of voltage across the resistor and the resistance of the resistor. When the voltage across the resistor increases, the current flowing through it also increases.

Conversely, when the resistance of the resistor increases, the current flowing through it decreases. Resistors are used to control the flow of current in electrical circuits. They are used in a variety of applications, such as in voltage dividers, filters, and voltage regulators.

For example, a voltage divider is a circuit that divides a voltage into two or more parts. A voltage divider is made up of two resistors in series, and the output voltage is taken across one of the resistors. The amount of voltage across the output resistor is determined by the values of the two resistors.

If the two resistors are equal, the output voltage will be half the input voltage. If the output resistor is smaller than the input resistor, the output voltage will be less than half the input voltage. Conversely, if the output resistor is larger than the input resistor, the output voltage will be greater than half the input voltage.

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The average density of a neutron star which has a mass of about 1.5 Msun is 3.57x10¹⁴ kg/cm³ to two significant figures.

The average density of a neutron star is calculated by dividing the mass of the neutron star by its volume. The formula is given as:-

P = M/V, where P is the density, M is the mass, and V is the volume.

The volume of a sphere is given by the following formula:-

V = 4/3πr³, where r is the radius.

Substituting the given values, we get:-

V = 4/3π(10 km)³ = 4/3π(10,000 m)³ = 4/3π(1x10¹⁰ cm)³ = 4/3π(1x10³⁰ cm³) = 4.19x10³⁰ cm³

Now, we can calculate the density:-

P = M/V = 1.5 Msun / 4.19x10³⁰ cm³ = 3.57x10¹⁴ kg/cm³

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The time required for the ball to travel downward at the feet per second will be 32 feet per second will be 1.5 seconds.

The ball is thrown upward in the air, and its height above the ground after seconds is feet. To find the time when the ball will be traveling downward at feet per second. In order to find the time when the ball will be traveling downward at feet per second, it is required to find the velocity of the ball when it reaches the maximum height.

In order to find the velocity, we need to differentiate the given function of height with respect to time. Now let's differentiate the given function of height with respect to time. Differentiating the function of height with respect to time, we get:

h(t) = -16t² + 48t + 64 = -16(t - 3)² + 160

Differentiating h(t) with respect to time, we get:

h(t) = -32t + 48

We know that the ball is thrown upward, so the initial velocity is 48 feet per second, and the acceleration is -32 feet per second per second. The ball is at maximum height when the velocity becomes 0.

So,

0 = -32t + 48

32t = 48

t = 1.5 seconds

Hence, the time when the ball will be traveling downward at 32 feet per second is 1.5 seconds.

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The proportional equation that matches the context of a 33-inch candle burning down in 12 hours is b = 2.75t.

A candle that is 33 inches long is called a 33-inch candle. Candles are a popular decorative item that is commonly used for lighting, as decoration for weddings, and parties, or to create an aromatic atmosphere. B represents the length of the candle that has burned away at any time given in hours, t.

To find the proportional equation for b in terms of t that matches the context of a 33-inch candle burning down in 12 hours, the following steps should be followed:

Identify the given informationThe length of the candle (l) = 33 inchesThe time taken for the candle to burn down (t) = 12 hours

Determine the rate of burning The rate of burning of the candle is given by l/t. Therefore, the rate of burning = 33/12 = 2.75 inches per hour.

The proportional equation for b in terms of t is given by b = rt where r is the rate of burning. Therefore, b = 2.75t.

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The most accurate measure of the density of platinum would be obtained through the measurement of its mass and volume, and then calculating its density using the formula: Density = Mass / Volume.

Platinum's density can be determined most precisely by measuring its mass and volume, then applying the formula Density = Mass / Volume to determine both of those quantities. It is crucial to employ the most precise and accurate tools available to guarantee the highest level of accuracy in these measurements. Accurate measurements could be taken using the following methods: Calculate the platinum sample's mass using an analytical balance that has a high degree of accuracy. To prevent any loss or contamination, the balance should be calibrated before use, and the sample should be handled carefully. The volume of the platinum sample should be measured using a method like water displacement or a volumetric flask.

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A ball rolls across the floor, slowing down with a constant acceleration of magnitude a = 4.51 m/s2.

The ball has positive velocity v after rolling a distance x = 2.66 m across the floor.

To calculate the ball's initial speed v0 if

v = 11.17 m/s.

The initial velocity of the ball, v0 =?

The final velocity of the ball, v = 11.17 m/s

The acceleration of magnitude a = 4.51 m/s2

Distance travelled, x = 2.66 m

If an object has initial velocity v0, constant acceleration a, and travelled distance x, then its final velocity is given by:

v2 = v0² + 2ax

Here, the ball's initial velocity is v0, and its final velocity is v.

After substituting the given values, we have:

v2 = v0² + 2ax

=> (11.17)²

= v0² + 2(4.51)(2.66)

=> 124.57

= v0² + 25.39

=> v0² = 124.57 - 25.39

=> v0² = 99.18 => v0 = √99.18

=> v0 = 9.96 m/s

Hence, the initial velocity of the ball is v0 = 9.96 m/s.

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The dragster's change in velocity due to the parachute can be calculated using the kinematic equation:

Δv = aΔt

where Δv is the change in velocity, a is the acceleration, and Δt is the time interval during which the acceleration occurs. In this case, the dragster is initially travelling east, so its velocity is positive, and the parachute applies a force in the opposite direction, resulting in a negative acceleration.

Given that the acceleration is -10 m/s² (westward) and the time interval is 4.5 seconds, we can calculate the change in velocity as:

Δv = (-10 m/s²) x (4.5 s) = -45 m/s

Therefore, the dragster's change in velocity due to the parachute is -45 m/s (westward). This means that the dragster's velocity is reduced by 45 m/s in the westward direction over the 4.5-second interval during which the parachute is deployed.

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The change in velocity due to the parachute is -45 m/s east

What is velocity ?

Velocity is a vector quantity that describes the speed and direction of motion of an object. In other words, velocity is the rate at which an object changes its position in a specific direction.

Velocity is expressed in units of distance per time, such as meters per second (m/s) or kilometers per hour (km/h)

Velocity is different from speed, which is also a measure of the rate of motion but only describes how fast an object is moving, without taking into account the direction of motion.

we will use the formula :-

change in velocity = acceleration x time

where acceleration is the rate at which the dragster slows down, and time is the duration for which it slows down.

Here, the dragster is travelling east, and the parachute applies a force in the opposite direction (west), causing it to slow down. So, the acceleration is -10 m/s^2 (negative because it's in the opposite direction to the velocity).

The time for which the dragster slows down is 4.5 seconds.

Therefore, the change in velocity due to the parachute is:

change in velocity = acceleration x time

change in velocity = (-10 m/s^2) x (4.5 s)

change in velocity = -45 m/s east

Note that the velocity is negative because the dragster is slowing down, and it's still travelling east (i.e., in the positive direction).

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Hydroelectric dams generate electricity through water impoundment, in which dam operators control the rate of water flow to turbines.

c is the correct option.

Hydroelectric dams are dams used to produce electricity. The movement of water drives turbines, which power generators that generate electricity.

The movement of water, generated by gravity, is what drives turbines. Hydroelectric dams are the most widely used renewable energy source, accounting for approximately 16% of global electricity production.

Hydroelectric dams generate electricity through water impoundment, in which dam operators control the rate of water flow to turbines.

This is the process of using turbines that are powered by the movement of water that has been dammed to generate electricity.

Turbines are powered by water that has been dammed to generate electricity, which is then sent to a power station to be used.

The electricity generated from hydroelectric dams is clean and safe, making it an important part of the renewable energy mix. They are also an essential part of the global infrastructure because they provide reliable, low-cost power.

They also assist in the management of rivers, flood control, and irrigation systems in various parts of the world.

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Answer:

6n

Explanation:

Given:

Force acting by student 1 = 10 N

Force acting by student 2 = 4 N

Find:

Net force acting on the board

Computation:

Net force acting on the board = Force acting by student 1 - Force acting by student 2

Net force acting on the board = 10 N - 2 N

Net force acting on the board = 6 N

The quantities that are usually conserved for a comet orbiting the sun are:
Speed: The speed of a comet remains constant unless it is acted on by an outside force.
Total Mechanical Energy: The sum of the kinetic and potential energies of a comet remain constant in a closed system.
Kinetic Energy: The energy of a comet due to its motion.
Angular Momentum with Respect to the Center of the Ellipse: The angular momentum of a comet with respect to the center of its orbit remains constant.
Acceleration: The acceleration of a comet is zero unless acted upon by a force.
Gravitational Potential Energy: The potential energy of a comet due to its gravitational attraction to the sun remains constant.
Angular Speed: The angular speed of a comet remains constant unless it is acted upon by a force.
Linear Momentum: The momentum of a comet is conserved, meaning that its momentum remains the same unless acted upon by a force.
Angular Momentum with Respect to the Sun: The angular momentum of a comet with respect to the sun remains constant.

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"Precipitation occurs due to condensation of water molecules in the air into droplets and they fall to the ground due to gravity."

One of the stages of the water cycle is precipitation. Clouds are areas of the sky with enough water content for drops to condense, and they are where precipitation originates. Therefore, precipitation follows mist. Although clouds are the source of all precipitation, not all clouds generate precipitation.

When cloud droplets or crystals become too dense to continue floating in the atmosphere, precipitation starts to descend from the clouds. If droplets do not become sufficiently dense, precipitation will not occur, and if the cloud is sufficiently heated by the Sun, it may even disperse. But for there to be a place for precipitation to come from, clouds do need to develop.

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The force of gravity between two magnets is really considerably smaller than the magnetic force, despite the fact that two magnets correctly aligned would attract and stay together firmly.

Any two mass-containing things in the cosmos are subject to the basic natural force of gravity. According to the formula F = G * m1 * m2 / r2, where F is the force, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between them, the gravitational force between two objects varies in strength depending on their masses and the distance between them. The magnetic fields of two magnets are what create the force between them. Two magnets are aligned properly and it causes them to stick together tightly.

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The wheels make approximately 47.65 revolutions during the 5.10 s period.

What is Linear Speed?

Linear speed, also known as tangential speed, is the distance traveled by an object in a circular path per unit of time, measured in units such as meters per second (m/s) or kilometers per hour (km/h). It is the magnitude of the velocity vector of an object moving in a circular path at a constant speed, and is perpendicular to the centripetal acceleration vector.

The linear speed of the wheels is equal to the velocity of the car:

v = 17.0 m/s

The circumference of the wheels is:

C = 2πr = 2π(0.48 m) = 3.01 m

The angular speed of the wheels is related to the linear speed by:

ω = v/r

Therefore, the initial angular speed of the wheels is:

ω₀ = v/r = 17.0 m/s / 0.48 m = 35.42 rad/s

The final angular speed of the wheels after accelerating for 5.10 s at a constant rate of 2.10 m/s² is given by:

ω = ω₀ + αt

where α is the angular acceleration of the wheels. Since the wheels are assumed to roll without slipping, the linear acceleration of the car is equal to the angular acceleration of the wheels:

α = a/r = 2.10 m/s² / 0.48 m = 4.38 rad/s²

Substituting the given values into the equation for angular speed, we have:

ω = 35.42 rad/s + (4.38 rad/s²)(5.10 s) = 58.64 rad/s

The number of revolutions made by the wheels during this period is equal to the change in the angle of rotation of the wheels:

Δθ = ωt

Substituting the given values, we have:

Δθ = (58.64 rad/s)(5.10 s) = 299.58 rad

The number of revolutions is equal to the angle of rotation divided by 2π:

n = Δθ / 2π = 299.58 rad / 2π ≈ 47.65 revolutions

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The mass of a particular bar of gold-pressed latinum on the moon is 100 grams.

Gold-pressed latinum (GPL) is a kind of currency in the Star Trek world. Latinum, a rare silver-colored liquid, is pressed between gold layers to make GPL, which is valued in the Federation as a rare and valuable resource. The value of GPL is measured in amounts of gold. It can be used in various types of exchange and trade.

The mass of a particular bar of gold-pressed latinum when it is brought to the moon is the same as its mass on Earth. The bar's mass will stay the same no matter where it is located because mass is a constant property of an object. Mass is a measure of an object's resistance to acceleration in response to a force. It is a measure of how much matter is contained in an object.

As a result, if an object has a mass of 100 grams on Earth, it will have the same mass on the moon or any other location in the universe. Therefore, the mass of a particular bar of gold-pressed latinum when it is brought to the moon is 100 grams.

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Answer:

Work is negative on the way up and positive on the way down.

Explanation:

Work is positive if displacement and the force are in the same direction.

Work is negative if displacement and the force are in opposite directions.

(Note that work is zero if displacement is perpendicular to the force.)

In this question, the gravity on the object points downwards at all times.

On the way up, the position of the object is above where it was launched. Hence, displacement would point upwards.

Since the direction of gravity is opposite to that of displacement on the way up, the work on the object would be negative.

In contrast, displacement of the object points downward on the way down. Since displacement is in the same direction as the force of gravity, the work on the object would be positive.

The types of energy in a wave come from the elevation of the wave (potential) and the motion of the water particles in their orbits (kinetic).

Energy is the ability to do work. The energy of a wave is measured by its amplitude or wave height. The more energy a wave has, the higher its amplitude. The energy of the wave is the sum of the potential energy and kinetic energy of the water molecules that make up the wave.

A wave has potential energy, which is the energy it possesses due to its position. When a wave is high, it has a lot of potential energy, which can be used to do work. Potential energy is converted to kinetic energy when the wave moves.

The water particles that make up the wave are in motion. This motion is referred to as kinetic energy. The energy is generated when the wave is in motion. The faster the wave moves, the more kinetic energy it has. Kinetic energy is converted to potential energy when the wave is at its peak.

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The proper responses are: The head-on collision results in a bigger change in momentum. In a head-on collision, the driver is subjected to a greater average force.

Explanation: When an automobile collides, the external force acting on it causes a change in the vehicle's momentum. ... a The shift in momentum is greater in a head-on collision because the relative speeds of the two vehicles are higher. This increases the probability of injury because more force is being exerted to the car and its occupants. In addition, due of the shorter duration of impact in a head-on collision, the average force on the driver is higher. in a crash with the back. As a result, there is a higher average force since the force is delivered for a shorter period of time. Although this happens in both head-on and rear-end collisions, the collapse of the crumple zone in the front of the automobile also helps to absorb impact energy. The chance of injury in a collision is not primarily determined by the driver's momentum and velocity in relation to the ground, however they may have an impact on the degree of the injury.

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To calculate the missing values in the table, we can use the formulas:

Using these formulas, we can fill in the missing values:

Power(W)          Work Done(J)    Time Taken(s)

For a,. 3000       90000                30

For b,. 20            100                      5

For c,. 50            100                      2

For d. 700           245                     0.35

For e. 25             1875                     75

For f. 50000       500000              10

For g. 150            450                      3

For h. 0.5            10                         20

What is power?

Power is the rate at which work is done or energy is transferred. Mathematically, power is defined as the amount of work done or energy transferred per unit time. The unit of power is the watt (W), which is equal to one joule of work per second.

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To calculate the missing values in the table, we can use the formulas:

Power = Work Done / Time Taken

Work Done = Power x Time Taken

Time Taken = Work Done / Power

Using these formulas, we can fill in the missing values:

Power(W)          Work Done(J)    Time Taken(s)

For a,. 3000       90000                30

For b,. 20            100                      5

For c,. 50            100                      2

For d. 700           245                     0.35

For e. 25             1875                     75

For f. 50000       500000              10

For g. 150            450                      3

For h. 0.5            10                         20

What is power?

Power is the pace at which labour or energy is done or transferred. Power is described mathematically as the quantity of labour done or energy moved per unit time. The watt (W) is the measure of electricity, and it equals one joule of work per second.

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Answer:

6° because some heat is released out of surrounding. if 100 over six which is equal to sixtenn point four

The battery can sustain a current of 1.1 A for approximately 57 minutes. Thus, the correct option will be D, 57 minutes.

Energy is the ability of a system to perform work. The unit of energy in the SI system is the joule (J). A joule is equal to the work done when a force of one newton is applied over a distance of one meter.In this case, we have a 1.4 V battery storing 5.3 kJ of energy.

Using the equation,

Energy = Power × Time

We can derive the expression,

Time = Energy/Power

where, Energy = 5.3 kJ = 5,300 J,

Power = Voltage × Current = 1.4 V × 1.1 A = 1.54 W

Substituting the values,Time = 5,300 J/1.54 W

Time = 3441.56 s = 57.36 minutes

Therefore, the battery can sustain a current of 1.1 A for approximately 57 minutes.

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Answer:

A. Four times

Explanation:

Gravitational Potential Energy (PE) is given as PE=mass*gravity*height

setting the equations of potential energy equal to each other for each object you get

m1gh=m2gh

then you can cancel out the gravity and height and get

m1=m2

then we know the mass of the second object is 4 times the mass of the first object so

m2=4m1