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12 questions from this quiz
Conservation of momentum
Higher velocity
(m1+m2)v(m_1 + m_2)v(m1+m2)v
Inelastic collision
To safely catch falling trolleys
So trolley 1 moves at constant speed
u=S1n/50u = \frac{S_1}{n/50}u=n/50S1
Trolleys stick together (inelastic)
They are internal forces that cancel
Friction affecting trolley motion
50 Hz
To improve measurement accuracy
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