A constant force of 20N acts on a body of mass 4kg for certain time. If velocity acquired by the body at the end of this time be 50m/s, find the duration of the force.
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Answer:
10 sec
Explanation:
F= ma
F= m v/t
20 =4 ×50 /t
t=( 4×50)/20
t= 10 seconds
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