Question

a force acts for .2 seconds on an object having mass 1.4 kg initially at rest. the force stops to act but the object moves throuh 4 m in the next 2 seconds . find the magnitude of the force

Answer 1

F=ma a=v2-v1/t2-t1 v2=4/2=2 m/s v1=0 a=2-0)/2 a=1 F=1.4*1

Answer 2

Explanation:

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