Question

A girl of mass 40 kg jumps
with a horizontal velocity of 5 m sonto
a stationary cart with frictionless
wheels. The mass of the cart is 3 kg.
What is her velocity as the cart starts
moving? Assume that there is no
external unbalanced force working in
the horizontal direction.



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Answer 1

Answer:

We have given that the mass of the girl is 40kg and the mass of the cart is 3kg. We have given that the horizontal velocity of the girl before jumping on the cart is 5m⋅s−1. Initially, the cart is at rest. Hence, the velocity of the cart before the girl jumps on it is 0m⋅s−1.

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