Answer:
Suppose
the velocity of the boy on the cart as the can starts moving is v.
(1/2)
The total momenta of the boy and cart
before the interaction
Also, the total momenta after the interaction
(1)
As per the law of conservation of momentum, the total
momentum is conserved during the interaction. In other words
or
Thus, the boy on cart would move with a velocity of 4.65 in the direction in which the boy
jumped onto the cart. (1)
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