Questions
A boat of mass 80 kg is floating on still water. A dog of mass 20 kg on the boat is at a distance of 10m from the shore. The dog moves on the boat by a distance of 2m towards the shore. The distance of the dog from the shore is
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Correct option is B
distance of dog from shore Alternative Solution:Position of centre of the system remains fixed. If x be the displacement of the boat away from the shore, then using distanc of dog = (10+ 0.4 - 2)m = 8.4mSimilar Questions
A body A of mass M while falling vertically downwards under gravity breaks into two parts; a body B of mass M/3 and body C of mass 2 M/3. The center of mass of bodies B and C taken together shifts compared to that of body A towards
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