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In the arrangement show in figure, the track is frictionless until the body reaches the higher level. A frictional force stops the body in a distance d from A. The initial speed of the body `v_(0)` is 6 m/s the height h is 1 m and the coefficient of kinetic friction is 0.2.

The speed of body at the higher level A is

A

3 m/s

B

4 m/s

C

5 m/s

D

4.25 m/s

Text Solution

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The correct Answer is:
B
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