A certain force exerted for 1.2 s raises the speed of an object from 1 – InterviewSolution

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1.

A certain force exerted for 1.2 s raises the speed of an object from 1.8 m/s to 4.2 m/s. Find its acceleration.If mass of the object is 5.5 kg, calculate the force applied.

Answer»

Acceleration = 4.2-1.8/1.2

=2.4/1.2

=2m/s^2

Force =m*a

=5.5*2

=11N

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