which has the greatest inertia

A. Jumbo Jet
B. Bird
C. Car​

Relative to the observer in on the shore, the velocity of the boat is 6.5 m/s, NE.

What is relative velocity?

The velocity of an object in relation to another observer is known as its relative velocity.

We cay say that the relative velocity is equal to the vector difference between the velocities of two objects. The relative velocity of A with respect to B= velocity of the body A – velocity of the body B.

The diagram below shows the calculation where AC is relative speed, AB is speed of the boat and BC is the speed of stream.

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Answer:

24 A

Explanation:

Ohm's Law:  V = IR, so I = V/R

I = 120V/5Ω = 24 A

The speed of the bullet before it strikes the rod is 67 m/s. To determine the speed of the bullet before it strikes the rod, we need to consider the conservation of angular momentum.

The moment of inertia of a thin rod about its center is given by the following formula:

where I is the moment of inertia, m is the mass of the rod, and L is the length of the rod.

Substituting the values given in the problem, we find that the moment of inertia of the rod is

In this case, the bullet strikes the rod, transferring some of its linear momentum to the rod in the form of angular momentum. The change in angular momentum of the rod is equal to the angular momentum of the bullet.

We can use the conservation of angular momentum to write the following equation:

where I1 is the initial moment of inertia of the rod, w1 is the initial angular velocity of the rod, J is the angular momentum of the bullet, I2 is the final moment of inertia of the rod, and w2 is the final angular velocity of the rod.

Since the initial angular velocity of the rod is zero, we can simplify the equation as follows:

J = I2 * w2

Substituting the values given in the problem, we find that the angular momentum of the bullet is

To determine the speed of the bullet before it strikes the rod, we need to consider the bullet's mass and the angle at which it strikes the rod. The mass of the bullet is given as 3.0 grams, which is equivalent to 0.003 kg. The angle at which the bullet strikes the rod is given as 60 degrees.

We can use the following formula to calculate the speed of the bullet before it strikes the rod:

Substituting the values given in the problem, we find that the speed of the bullet before it strikes the rod is (6.7 kg*m^2/s / 0.003 kg) * sin(60 degrees) = 67 m/s. This is the final answer.

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No, we are unable to determine which configuration has lower energy in the absence of a magnetic field.

The atomic energy levels are split into a greater number of levels and the spectral lines are likewise split when magnetic fields are present. The Zeeman Effect is referred to as this splitting. E = 1/2 LI 2 is the equation for the energy held within a magnetic field. The work required to produce a current through an inductor is equal to the energy stored in a magnetic field.

Energy, also known as magnetic energy, is present in every magnetic field. She is a physics constant. Since an electric current creates a magnetic field, magnetic energy is a kind of moving charge carrier (electrons).

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The major difference between what we've seen in discovered exoplanets and our own solar system is that extrasolar planet orbits tend to be closer and more eccentric than in our Solar System.

Exoplanet:

Any planet outside of our solar system is an exoplanet. The majority of exoplanets orbit other stars, while rogue planets—free-floating exoplanets that are unattached to any star—orbit the galactic center.

All of the planets in our solar system orbit around the Sun. Planets that orbit around other stars are called exoplanets.

Exoplanets are very hard to see directly with telescopes. They are hidden by the bright glare of the stars they orbit.

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The position of the oscillator at seconds is  ( A cos ( ω t + ϕ ) where A is the amplitude and ϕ is the initial phase and   f = 1/T = ω/2π.

Equilibrium or Mean Position: It is a state in which the body is in when there is no net force pushing against it. When a particle is oscillating, it is in its phase This is a representation of the particle's vibrational state at a particular instant.

The period of an oscillating system is the length of time it takes for a cycle to be completed. A system's period is a time measurement, and in physics, it's typically represented by the capital letter T. Although seconds are the most common, period is measured in time units relevant to that system.

Time, or T, is the oscillation's period, hence ωT = 2π or T = 2π/ω. The formula  f = 1/T = ω/2π. gives the reciprocal of the period, or the frequency f, in oscillations per second.

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Most photons that leave the sun's surface have a surface temperature of 6,000 K, which corresponds to the visible light region of the electromagnetic spectrum.

The electromagnetic spectrum is a continuous range of wavelengths and frequencies that includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. The wavelengths and frequencies of these different types of electromagnetic radiation are all different and correspond to different regions of the spectrum.

The visible light region of the electromagnetic spectrum is the portion of the spectrum that can be seen by the human eye. It ranges from about 400 nanometers (nm) to about 700 nm in wavelength, and corresponds to frequencies of about 7.5 x 10^14 Hz to about 4.3 x 10^14 Hz. Photons with wavelengths and frequencies in this range have enough energy to excite the photoreceptors in the human eye, allowing us to see them.

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Answer:

One example of an activity that could be reflected in the rock record and contribute to the beginning of the Anthropocene is the widespread use of fossil fuels, which has led to an increase in atmospheric carbon dioxide concentrations and a corresponding shift in the Earth's climate. Another potential contributor to the Anthropocene is the proliferation of plastic and other synthetic materials, which are becoming ubiquitous in the geologic record and may persist for thousands of years.

When the intensity of light is constant, but its frequency is increased, then the number of photons emitted will also increase.

The electrons are emitted from a conductive material when light of sufficient frequency strikes it and causes vibration of electron holes pairs present inside the material. This conductive motion causes the electricity to be generated. There is a minimum frequency which must be reached so that electrons are emitted from the surface. This frequency is called as threshold frequency. Photons are energy packets. The formula which relates energy with frequency is given as:

E = hv,

where, E = energy of photon

h = Planck's constant

v = frequency

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The skydiver has the fastest speed at 4 seconds, and the correct statement is (b) "The skydiver has the fastest speed at 4 seconds".

To determine the skydiver's speed at each second, we need to consider the forces acting on the skydiver. In this case, the forces acting on the skydiver are the weight of the skydiver and the air resistance. The weight of the skydiver is constant at 500 N, while the air resistance increases with time.

According to Newton's second law of motion, the acceleration of an object is equal to the net force acting on it divided by its mass. In this case, the mass of the skydiver is not given, so we cannot calculate the acceleration directly.

Speed is the rate of change of displacement over time. In this case, the displacement of the skydiver is not given, so we cannot calculate the speed directly. However, we can use the information provided to determine the skydiver's speed at each second.

From the table, we can see that the air resistance increases with time, reaching a maximum of 500 N at 4 seconds. This means that the net force acting on the skydiver is greatest at 4 seconds, which would correspond to the highest acceleration and the fastest speed.

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Two parallel circular bases and a curving surface define a cylinder. The height of the cylinder is equal to the angle between the two bases.

A cylinder is a three-dimensional solid figure with two identical circular bases connected at a specific distance from the center, which determines the cylinder's height, by a curving surface. Examples of cylinders in real life are toilet paper rolls and beverage cans.

Geometrically speaking, a cylinder is a three-dimensional shape. A cylinder is circular and has a top and bottom with a circled shape. Both the top and bottom are flat and identical in size.

One of the most fundamental curvilinear geometric shapes is the cylinder (from the Greek letter o, romanized as kulindros, meaning "roller" or "tumbler"). It is referred to as a prism with a circle as its base in elementary geometry.

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According to the given statement 16.7kg  is the mass of the sculpture.

The lowest frequency that could be produced by a particular instrument is known as the fundamental frequency. The fundamental frequency is also known as the instrument's first harmonic.

Use the string's tautness' fundamental frequency as a formula.

f = (1/2L)*√(T/μ) .... (Eqn1)

Where

f= frequency in Hertz =80Hz

T = The string's tension equals Mg.

M is a symbol for the substance's mass (sculpture)=?

g= 9.8m/s^2

L= Length of the string=90cm=0.9m

μ= string length divided by mass gives the string's density.

mass of string =5g=0.005kg

L=0.9m

μ=0.005/0.9 = 0.0056kg/m

Using (Eqn1)

95= 1/(2*0.9) √(T/0.0056)

171= √(T/0.0056)

Square both sides

29241= T/0.0056

T= 163.74 N

Recall that T =Mg

163.74= M * 9.8

M=163.74/9.8

M= 16.7kg

Consequently, the sculpture weighs 16.7kg.

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The force constant of the spring is 42.1 m.

Force is a physical quantity that is related to the interaction between two objects. It is a vector quantity, meaning it has both magnitude and direction. Force can be thought of as a push or a pull between two objects. When one object exerts force on another object, the second object experiences an equal and opposite reaction force. Some of the most common examples of force include friction, gravity, electric fields, and magnetism. Force is a key concept in physics, as it is often used to explain the motion of objects and the behavior of physical systems.

The force constant, or spring constant, of the spring can be calculated using the equation:

k = (4π^2m)/T^2. In this equation, m is the mass of the object and T is the period of oscillation.

Therefore, the force constant of the spring is

k = (4π^2*7.00kg)/(2.60s)^2 = 42.1 N/m.

This means that if a 1 N force is applied to the spring, it will stretch by 42.1 m.

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Answer: Practice Makes Perfect

Explanation:

First, you would want to exercise:

Warmups:

Stretch:

Do these every day:

Then:

Do these in a month, and you will improve a lot in basketball.

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W = -500 J is the work, which is why it's negative because a woman is doing it.

Briefing

The heat transfer into the system,

Q = 9500 J, makes it positive.

(a) Heat and work are added to determine the change in internal energy, which is:

ΔU = Q+W

We replace with:

ΔU = 9500 J-500 J

ΔU = 9000 J\s(b) (b) The quantity of useful work completed given a total energy supply is now what is generally referred to as an efficiency. From this, we may divide the woman's labour by the shift in internal energy, giving us

=  500 j / 9000 j.

We get:

ϵ = 0.0556~ 5.56%

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The time period of the small oscillations for the simple pendulum is found to be  3.14 seconds.

The pendulum is located in an elevator that is accelerating upwards with an acceleration of 6m/s² and length of the pendulum is 4m.

Because the elevator is accelerating in the upper direction the net acceleration of the pendulum will be (10 + 6)m/s².

The period of small accelerations for this pendulum will be given by the relation,

T = 2π(l/a)

Where,  l is the length of pendulum and a is the net acceleration.

Putting values,

T = 2π(4/16)

T = 2π(1/2)

T = π seconds.

T = 3.14 seconds.

So, the time period of this small oscillations for this pendulum is 3.14 second.

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The fast is the height of the pile increasing when the pile is feet high 0.1989 ft/min.

Calculation:

Here given the rate of change in volume DV/DT = 40 actions and we need the rate of change in height when height h = 16.

Putting all values.

40 = π/4 x (16)² x DV/DT

= DV/DT= 40 x 4/ 1×16×16

0.1989 ft/min.

Rate of change in height when height is 16 H is equal to 0.1989 ft/min.

The goal is to get a text from as many modalities as possible so that models trained on The Pile have broader generalization capabilities. For stakes, experts believe it comes from the Latin word pira. Pila loosely translates to the ball. If you've ever seen inflamed hemorrhoid, you'll understand this moniker better. Many hemorrhoids actually look like small round spheres.

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By making use of equations of motion, we get the Distance from the ground was the carpenter dropped the hammer is 16 m/s.

Given Parameters are

Initial Velocity (u) = 1.5 m/s

Time taken (t) = 2.4 seconds

The final velocity of the elevator after t sec of time can be calculated using one of the equations of motion, so, we have

v = u + at

Putting all the values, we get  

v = 1.5 - (9.8)(2.4) = -18.42 m/s

Distance from the ground was the carpenter dropped the hammer is can be calculated using one of the equations of motion,

[tex]v^{2} = u^{2} + 2gh\\\\h = \frac{v^{2}-u^{2} }{2g} \\\\h =\frac{(-18.42)^{2} -(5.1)^{2} }{2(9.8)} = 16 m/s[/tex]

Resolve the cat speed into components,

[tex]v_{x} = (7m/s) cos 49 = 4.59 m/s\\v_{y} = ( 7 m/s ) sin 49 = 5.28 m/s[/tex]

Cat speed with respect to dog is

[tex]v = \sqrt{v_{x} ^{2} - (v_{y} -v_{d} )^{2} } = \sqrt{(4.59)^{2} +(5.28 - 2.4)^{2} } = 5.42 m/s[/tex]

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Answer:

To make a simple model of the solar system that can be used to compare the time it would take for a spaceship to travel between different planets, the student must accurately represent the relative distances between the planets. This is because the time it would take for a spaceship to travel between two planets depends on the distance between those planets, so accurately representing the distances between the planets is essential for thinking about how long it would take for a spaceship to travel between them.

It is not necessary for the student to make sure that the model of each planet looks like the planet it represents, although this may help make the model more understandable. The most important thing is that the model accurately represents the relative distances between the planets.

In summary, the student must accurately represent the relative distances between the planets in order to think about how long it would take for a spaceship to travel between different planets in the solar system.

Answer: 3 m/s^2

Explanation:

Acceleration equals change in velocity (speed) divided by total time.

a = (v2-v1)/t

a = (41 m/s - 20 m/s) / 7 s

a = 3 m/s^2

Mass is irrelevant in this question.

Only a decreasing gravitational force that acts downward will apply on the ball that is tossed straight up from the surface of a small, spherical asteroid with no atmosphere.

Hence,

Only a decreasing gravitational force that acts downward will apply on the ball that is tossed straight up from the surface of a small, spherical asteroid with no atmosphere. The ball rises to a height equal to the asteroid's radius and then falls straight down toward the surface of the asteroid.

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The eccentricity for the planet if the distance between foci is 5,000,000 km and the distance of the major axis is 299,000,000 km is 0.0167.

Calculation:

The eccentricity of an elliptical orbit is defined by the ratio:

e = c/a

where:

c is the distance from the center of the ellipse to either focus

e = eccentricity

a = positive for an elliptical orbit

The eccentricity can be calculated as follows:

e = 5 × 10⁶km ÷ 299 × 10⁶km

e = 0.0167

Eccentricity is also the ratio of the semimajor axis a to the distance d from the center to the directrix. Eccentricity can be represented by flattening. Eccentricity can be defined by how much a conic actually deviates from the shape of a circle.

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12. When two objects interact through the gravitational force between them, the more massive one has a lower acceleration than the less massive object.

13. A student walks 20 m north, 10 m south, and 3 m north. To have a displacement of 0 m, the student should walk 13m toward the south.

14. Jennifer's thinking is not supported by Newton's third law of motion because during the collision, the force on her bumper car must be equal in size and opposite in direction to the force on her father's bumper car.

The required force is F = 3240 N.

As a result,

1200 kg is the car's mass.

Initial speed of the vehicle, u = 0.

The car's final speed is 27 meters per second.

Thus we have to first calculate the acceleration and then substitutes its value in the force formula

Taking time, t = 10 s

F = m a, where a represents the vehicle's acceleration, is the formula for the required force.

a= v - u / t

thus a = 27 - 0/ 10

a = 27/ 10

F = 1200 X 27 / 10

F = 3240 N.

Therefore, this is the necessary solution.

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The kWh used per week by the electric range whose voltage and current is 240 V and 11 A respectively is 18.48 kWh.

A kilowatt-hour is a unit of energy: one kilowatt of power for one hour. In terms of SI derived units with special names, it equals 3.6 megajoules (MJ).

To calculate the kWh per week of the electric range, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the kWh used per week is 18.48 kWh.

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The rope-and-pulley system of negligible mass shown above supports a block of weight w that is at rest. if the tension throughout the rope is uniform.

To determine the reading on the spring scale, we can apply Newton's Second Law of Motion to the block of weight w. The net force on the block is equal to the block's mass times its acceleration: F net = ma The only force acting on the block is the force of gravity, which is equal to the weight of the block: F net = F gravity = w The acceleration of the block is zero, since it is at rest: w = ma = m * 0 . This equation tells us that the force of gravity on the block is zero, which means that the block is in equilibrium and the tension in the rope is zero. Therefore, the reading on the spring scale is zero.

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Answer:

W/2

Explanation:

The original question does not include a diagram which is necessary for answering the question.

The diagram shows a spring scale attached to the ceiling. Below the spring, 2 pulleys are attached, holding the block at 2 separate points. As a result, there will be 4 ropes (2 attached to the spring scale, and 2 to the ceiling).

Because the tension is dispersed evenly among the 4 points, we can say that the scale will only read half the weight as the rest of the tension will be held by the ceiling.

Therefore, the spring scale will read W/2

I wish that I can upload the diagram, but unfortunately, I cannot. I assume that you will have access to the diagram.

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The magnitude and location of the resultant force on the horizontal gate is: F = w * r * g, and Point A.

Magnitude is a measure of the size or intensity of a physical quantity. It is usually defined as the absolute value of the numerical value of the physical quantity, and is often expressed in terms of a unit of measurement. Magnitude can refer to a variety of different physical quantities, such as size, intensity, brightness, or energy. Magnitude can also refer to the relative size or intensity of two or more physical quantities, when compared to each other.

The resultant force on the horizontal gate is equal to the sum of the hydrostatic forces acting on the gate.
Since the gate is horizontal, the hydrostatic forces acting on the gate will be equal to the pressure difference between the top and bottom of the gate.
This pressure difference is equal to the product of the fluid density, gravitational acceleration, and the gate width.
Therefore, the magnitude of the resultant force on the gate will be:
F = w * r * g
The location of the resultant force on the gate will be at the center of the gate, which is point A.
Therefore, the magnitude and location of the resultant force on the horizontal gate is: F = w * r * g, and Point A.

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Answer:

a

Explanation:

As you add thermal energy the particles spread apart and are moving faster ..... a certain volume of water produces a much larger volume of steam as energy is added.....that is how steam engines work !

The correct expression for the resulting velocity is -1/2 vcar. The correct option is c.

The directional speed of an item in motion, as measured by a specific unit of time and observed from a certain point of reference, is what is referred to as velocity.

A car travels down a road at a certain velocity, is Vcar.

Let the initial velocity of the car travel downward be -V car

It is also, given, that the driver slows down so that the car is traveling only half as fast as before.

Resulting velocity = -1/2 vcar

Therefore, the correct option is c. -1/2vcar.

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Answer:

2515.7N

Explanation:

First step is to find the acceleration:

U = 0 and V =58.7 m/s

a = (V-U)/t

where, t = 3.5s

a = 58.7/3.5

so, in order to find the net force,

F= ma

= 150kg × 58.7/3.5

= 2515.7 N