a girl of mass 40 kg runs with a velocity, 2m/s to board a small trolley of mass 20 kg, initially at rest. what is the initial momentum of the girl.
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a girl of mass 40 kg runs with a velocity, 2m/s to board a small trolley of mass 20 kg, initially at rest. what is the initial momentum of the girl.
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Initial Velocity = 2m/s
Mass = 40kg
We know that, Momentum (P) = mv
Thus,
Initial Momentum (Pi) = Mass×Velocity(initial)
=> Pi = 40kg × 2m/s
=> Pi = 80Kg.m/s
Hence, Initial Momentum = 80kg.m/s