A body moving at 2 m/s can be stopped over a distance x. If its kinetic energy is doubled, how long will it go before coming to rest, if the retarding force remains unchanged?
Text Solution
Verified by ExpertsThe correct answer is:
B
–F x = 0 – 
m 2 and – FS = 0 – 2 
So 
= 2, S = 2x
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