PLSS HELP NOWW!!!!!!(01.01 LC) Which is an example of the force of attraction between two objects that have mass? (2 points) a Magnetism b Gravity c Solar energy d Electricity

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Divide distance by speed:

18 meters / 1.5 meters/ second = 12 seconds

Answer: 12 seconds

A bowling lane is 18 meters long. it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane, therefore the correct answer is the third option

The total displacement covered by any object per unit of time is known as velocity. It depends on the magnitude as well as the direction of the moving object.

The mathematical expression for velocity is given by

velocity= total displacement/Total time

As given in the problem a bowling lane is 18 meters long and the ball is moving with a velocity of 1.5 m/s in the roll-down lane we have to find the time period for the bowling ball to roll down that lane

Total displacement = 18 meters

the velocity of the ball = 1.5 m/s

time =?

By substituting the values in the formula of the velocity

1.5 = 18/t

t= 12 seconds

Thus , it would take 12 seconds for a 1.5 m/s bowling ball to roll down that lane

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Answer:

Yes, when dealing with electricity as long as there is an input source there is always built up energy waiting to be used also known as kinetic energy. The fan is not spinning but if it were turned on it would spin instantaneously.

Answer:

Explanation:

The magnitude of the current can be found by using the formula

[tex]i = \frac{v}{r} \\ [/tex]

v is the voltage

r is the resistance

From the question we have

[tex]i = \frac{40}{5} = 8 \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

8 A

Explanation:

We know that

V = IR

40 = I(5)

40/5 = I

8 = I

Answer:

I hope it was helpful.........

Answer:

Heat capacity is the ratio of the amount of heat energy transferred to an object to the resulting increase in its temperature. Molar heat capacity is a measure of the amount of heat necessary to raise the temperature of one mole of a pure substance by one degree K.

Explanation:

hope this helps <3

Answer:

here

Explanation:

Answer:

493,420 Joules

Explanation:

Potential energy of the roller coaster

PE = mgh

Where

m = mass (kg)

g = gravitation (9.8 m/s²)

h = height

PE = 72 x 700 x 9.8 (in some cases 10)

PE = 493,420 J

If g = 10

PE = 504,000 J

Answer:

F=9/5(°C)+32

Explanation:

Let's take an example

[tex]\\ \sf\longmapsto \dfrac{9}{5}(100)+32[/tex]

[tex]\\ \sf\longmapsto 9(20)+32[/tex]

[tex]\\ \sf\longmapsto 180+32[/tex]

[tex]\\ \sf\longmapsto 212°F[/tex]

the nature of a machine having more power can work fast

Answer:

1.Energy is a quantity that is transferred from system to system. Energy is the ability of a system to do work. A system has done work if it has exerted a force on another system over some distance. When this happens, energy is transferred from one system to another.

2.physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a value, which is the algebraic multiplication of a numerical value and a unit. ... One is numerical magnitude and the other is the unit in which it is measured.

Answer:

a joule is the unit of work

Explanation:

Answer:

[tex] \boxed{d = 120\: meters} [/tex]

Explanation:

Given:

We can use this equation with the variables given to solve:

[tex] d \: = \frac{t \: (v + v_{0})}{2}[/tex] →

[tex] d \: = \frac{(10s) \: ((16.0 \: m/s) + (8.0 \: m/s))}{2} [/tex] →

[tex] d \: = \frac{(10s) \: (24 \: m/s)}{2} [/tex] →

[tex] d \: = \frac{(10 \: s \: • \: 24 \: m/s)}{2} [/tex] →

[tex] d \: = \frac{240 \: m}{2} [/tex] →

[tex] d \: = 120 \: m [/tex]

The distance traveled by the object in 10 seconds is 120 meters.

Given to us,

Final velocity of the object, [tex]v= 16\ meter/sec[/tex]

Initial velocity of the object, [tex]u= 8\ meter/sec[/tex]

Time for traveling, [tex]t= 10\ sec[/tex]

Using the first equation of motion,  we can find out acceleration of the object [tex]a[/tex],

[tex]v=u+at\\16=8+a\times 10\\a= 0.8\ meter/sec^2[/tex]

Now using the second equation of motion and putting the value of [tex]a[/tex],

The distance[tex](S)[/tex] traveled by the object ,

[tex]\begin{aligned}S&= ut+\frac{1}{2}at^2\\&= 8\times 10+ \frac{1}{2}\times 0.8\times 10^2\\&= 120\ meters \\\end{aligned}[/tex]

Hence,The distance traveled by the object in 10 seconds is 120 meters.

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Answer:

Please give options

Explanation:

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they work less effectively due to the lack of friction on the road when it is wet

pls mark brainliest

Answer: Not really

Explanation: When it's wet, and you slam on the brakes, there's not enough friction with the ground for it to not go spiraling out of control.

Answer:

Force is an external agency that changes or tries to change the position of the body.

Its SI unit is Newton (N).

For the student that walks to the right 25 m in 15 s and then turns and walks to the left 15 m in 8.0 s, we have:

1. The average speed is 1.74 m.

2. The average velocity is 1.42 m.

1. The average speed is an scalar wich is given by:

[tex] V = \frac{d_{t}}{t_{t}} [/tex]

Where:

[tex]d_{t}[/tex]: is the total distance

[tex]t_{t}[/tex]: is the total time

The total distance and the total time can be calculated as follows:

[tex]d_{t} = d_{1} + d_{2} = 25 m + 15 m = 40 m [/tex]

[tex] t_{t} = t_{1} + t_{2} = 15 s + 8.0 s = 23 s [/tex]

Since V is a scalar, the direction of motion is not important to calculate the final value.

Then, the average speed is:

[tex] V = \frac{d_{t}}{t_{t}} =\frac{40 m}{23 s} = 1.74 m/s [/tex]

2. The average velocity is a vector, so the direction of motion is important here. This ΔV can be calculated with the following equation:

[tex] \Delta V = \frac{\Delta x}{\Delta t} = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} [/tex]

Where:

x: is the displacement  

f: is for final and i: is for initial

Hence, the average velocity is:

[tex] \Delta V = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} = \frac{15 m - 25 m}{8.0 s - 15 s} = 1.42 m/s [/tex]

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Answer:

B. Psycology

Psycology is considered a social science while all the other choices are natural sciences.

Psychology is not considered a natural science. While it deals with the study of the human mind and behavior, psychology is generally classified as a social science rather than a natural science.

Natural science is a branch of science that deals with the study of the natural world, including the physical, chemical, and biological aspects of nature. It is a systematic and empirical approach to understanding the natural phenomena that occur in the universe. Natural sciences include subjects such as physics, chemistry, biology, geology, and astronomy, among others.

These sciences use the scientific method to investigate and explain the behavior of the natural world, relying on observation, experimentation, and analysis of data to formulate theories and laws that can explain natural phenomena. Natural science plays a critical role in our understanding of the universe and has contributed immensely to technological advancements in various fields. Therefore, option (B) is correct.

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Answer:

a

Explanation:

i remeber learing this

hope this helps

branliest plzz

Answer:

doctor,health assistant , dentist, psychotherapist , nurse ,etc

Answer:

Tax saver: As a government-backed tax-saving scheme, the principal invested in NSC qualifies for tax savings under under Section 80C of the Income Tax Act up to Rs. 1.5 lakhs annually.

Investment Flexibility : You can invest as small as Rs. 100 as an initial investment with no maximum limit.

Answer:

Explanation:

velocity unit t is m/s and the slope indicates the acceleration

Answer: time and volocity

Explanation:

Answer:

1000 millilitres

Explanation:

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Answer:

The change in her position (from beginning to end), along with the direction, is considered her displacement.

Explanation:

Answer:

The change in her position ( from beginning to end), along with the direction, is considered her displacement. This value is a measurement and a direction. The total distance along the path from her starting point to her endpoint is considered her distance. This value is a measurement only.

Explanation:

The branch is possessing gravitational potential energy.

Answer:

34

Explanation:

Answer:

solar wind

Explanation:

the sun's atmosphere is made of hydrogen which itself made subatomic particle. These particle are constantly boiling off the sun and streaming outward at very speed. So, the sun's magnetic field and particles are called solar wind.

Answer:

c

Explanation:

Solar wind

We know

[tex]\\ \sf\longmapsto a=\dfrac{dv}{dt}[/tex]

[tex]\\ \sf\longmapsto a=\dfrac{dv}{dx}.\dfrac{dx}{dt}[/tex]

[tex]\\ \sf\longmapsto a=v\dfrac{dv}{dx}[/tex]

[tex]\\ \sf\longmapsto adx=vdv[/tex]

[tex]\\ \sf\longmapsto a{\displaystyle{\int}^x_{x_0}}dx=\displaystyle{\int}_u^v vdv[/tex]

[tex]\\ \sf\longmapsto a(x-x_0)=\dfrac{v^2-u^2}{2}[/tex]

Here

[tex]\\ \sf\longmapsto v^2-u^2=2as[/tex]