Question

24.A uniform wooden plank of mass 280 kg and length L is floating on still water with its one end at the origin O and its length lying along +'ve x axis. A man of mass 84 kg standing at the end O ,slowly walks to other end. Then: A) displacement of man relative to water is______ B) displacement of centre of mass of plank relative to water is _______ C)displacement of man relative to plank is _____ D) final distance of centre of mass of system from O is _

Answer 1