1.

A body of mass 5 kg is moving with a velocity of20 ms-1. If a force of 100 N is applied on it for 10s in the same direction as its velocity, what willnow be the velocity of a body?

Answer»

Acceleration of the body is F/m = 100/5 = 20 m/s²

now, V=u +at => V = 20 + 20*(10) = 20+200 = 200m/s



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