Question

7. A child stands at one end of a boat moving with a speed vin still water. If the child starts
running towards the other end of the boat with a speed u, the centre of mass of the system
(boat and child) will move with a speed
(A) v-u
(B)v
(C) u
(D) v+u​

Answer 1

Answer:

B)v

Explanation:

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