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3 years ago

Describe the difference between distance, position, and displacement

Physics

1 answer:

nata0808 [166]3 years ago

5 0

Answer:

Explanation:

Position is the location of the object (whether it's a person, a ball, or a particle) at a given moment in time.

Displacement is the difference in the object's position from one time to another.

Distance is the total amount the object has traveled in a certain period of time.

I hope this helps!

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A marble is dropped off the top of a building. Find it's velocity and how far below to its dropping point for the first 10 secon

WINSTONCH [101]

1) velocity: 98 m/s downward

Explanation:

The marble moves by uniformly accelerated motion, with constant acceleration a=g=-9.8 m/s^2 directed towards the ground. Therefore, its velocity at time t is given by:

$v(t)=v_0 +at$

where

$v_0 = 0$ is the initial velocity

$a=g=-9.8 m/s^2$ is the acceleration

$t$ is the time

Substituting t = 10 s, we find:

$v(10 s)=0+(-9.8 m/s^2)(10 s)=-98 m/s$

And the negative sign means the direction of the velocity is downward.

2) Distance covered: 490 m

The distance covered in an uniformly accelerated motion can be found with the formula:

$S=\frac{1}{2}at^2$

where

$a=-9.8 m/s^2$ is the acceleration

t is the time

Substituting t=10 s, we find

$S=\frac{1}{2}at^2=\frac{1}{2}(-9.8 m/s^2)(10 s)^2=-490 m$

And the negative sign means the displacement is below the dropping point.

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3 years ago

a ball rolls 6.0 meters as its speed changes from 15 meters per second to 10 meters per second. whaf is the average speed of the

yawa3891 [41]

(3) 12.5 don’t ask me to explain this

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3 years ago

What is the average velocity of the object between 14 and 22 seconds?

Slav-nsk [51]

-1.1m/s

Explanation:

Work out which of the displacement (S), initial velocity (U), acceleration (A) and time (T) you have to solve for final velocity (V). If you have U, A and T, use V = U + AT. If you have S, U and T, use V = 2(S/T) - U.

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3 years ago

-Cesar the monkey observed the swinging behaviors of his parents. He is now able to swing from branch to branch after much pract

alexgriva [62]

The 3rd one I think . I did something similar a while ago

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Astronomers classify stars according to their (1 point) distance from Earth. color, size, and absolute brightness. age and paral

charle [14.2K]

Answer:

All of the above

Explanation:

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Hope this helped!

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3 years ago