Question
Asked Oct 11, 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?

20
10
30
40
50
t (s)
x (m)
20
Of
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20 10 30 40 50 t (s) x (m) 20 Of

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Expert Answer

Step 1

Instantaneous speed is slope of the displacement curve.

At time t = 10 sec, slope of the tangent is instantaneous velocity ,

At t = 10 s,

Slope = (rise/run) = (3/10) = 0.3 m/s

Step 2

Part B:

The tangent end co-ordinates &n...

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

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Science

Physics

Kinematics

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