Question

The momentum of an object is 450 kg m/s and moves with a velocity of 6m/s.

Find the mass of an object.

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Answer 1

Answer:

Initial velocity (u)=520=4m/s

Initial velocity (u)=520=4m/sAcceleration produced = mF=1m/s2

Initial velocity (u)=520=4m/sAcceleration produced = mF=1m/s2Final velocity(v)=u+at=4+1(10)=14

Initial velocity (u)=520=4m/sAcceleration produced = mF=1m/s2Final velocity(v)=u+at=4+1(10)=14So, Change in K.E = 21m(v2−u2)=21(5)(196−16)=450J

Explanation:

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