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a sun bather is lying on a stationary float raft in still water.she then gets up and walks to one end of the raft.What is the velocity of the center of mass of the lady-raft system while she walks?does the raft move while she walks?why and how

a sun bather is lying on a stationary float raft in still water.she then gets up and walks to one end of the raft.What is the velocity of the center of mass of the lady-raft system while she walks?does the raft move while she walks?why and how

Grade:12th pass

1 Answers

Gandharv
14 Points
8 years ago
The velocity of the center of mass of the system will be zero as we have considered the lady along with the raft as the system hence there is no external force applied on the system and the center of mass remains at rest. Yes the boat will move so as to keep the velocity of center of mass as zero. It will move opposite to the direction of lady
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