An object of mass 5 kg is accelerated uniformly from a velocity of 4m/s to 8m/s in 8s. Calculate the initial and final momentum of the object. Also, find the magnitude of the force exerted on the object.
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An object of mass 5 kg is accelerated uniformly from a velocity of 4m/s to 8m/s in 8s. Calculate the initial and final momentum of the object. Also, find the magnitude of the force exerted on the object.
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Explanation:
Hey mate first you have to find the initial and final momentum
Initial momentum (p1)=m1*v1
=5*4
=20kg m/s
Final Momentum(p2)=m2*v2
=5*8
=40kg m/s
Force = p2-p1/t
=(40-20)/8
=20/8
=2.5 N
Ans. The initial momentum is 20 kg m/s, final momentum is 40 kg m/s and the force is 2.5 Newtons.
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