Question

A body of mass 0.25 kg is projected with velocity of hundred metre per second from a type of mass 1000

Answer 1

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please provide the proper question

Answer 2

Answer:

Mass of body, m = 0.25 Kg

mass of tank, M =1000kg

velocity of body, v = 100 m/s

velocity of tank, V = ?

According to law of conservation of momentum,

mv + MV = 0

The final momentum is zero as both body and tank comes to rest finally.

V = - mV/M

V = -0.25/1000

V =-0.00025

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