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The kinetic energy K of a particle movin...

The kinetic energy K of a particle moving along x axis varies with its position (x) as shown in the figure. The magnitude of force acting on particle at x = 9 m is -

A

zero

B

5 N

C

20 N

D

7.5 N

Text Solution

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The correct Answer is:
B
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MOTION-WORK, POWER & ENERGY -Exercise - 2
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