Question
Asked Oct 17, 2019
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The position of a rabbit along a straight tunnel as a function of time is plotted in the figure.

What is its instantaneous velocity at t=10.0s?

What is its instantaneous velocity at t=30.0s?

What is its average velocity between t=0 and t=5.0s?

What is its average velocity between t=25.0s and t=30.0s?

What is its average velocity between t=40.0s and t=50.0s?

40
10
30
t(s)
50
20
20
(u) x
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40 10 30 t(s) 50 20 20 (u) x

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Expert Answer

Step 1

Draw a tangent line at t=10 s and t=30 s on the given plot that represents the position of the rabbit.

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Step 2

Consider the tangent line at t=10 s from the above graph. The slope is less steep of the two drawn blue lines. The instantaneous velocity of the rabbit at t=10 s can be calculated from the slope as,

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14 m 10 50 s =0.28 m/s

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Step 3

Consider the tangent line at t=30 s from the above graph. The slope is steeper of the two drawn blue lines. It rises 25 ...

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Advanced Physics

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