A and B are two identical blocks of same mass `2` m and same physical dimensions as shown in figure `-4.158` A is placed over the block B which is attached to one end of the spring of natural length l and spring contant k. The other end of the speing is attached to a wall. The system is resting on a smooth horizontal surface with the spring in the relaxed state. A small object of mass m moving horizontally with speed v at a height d above the horizontal surface hits the block B along the line of therir cntre of mass in a perfectly elastic collision. There is no friction between A and B. Find the minimum value of v `("say"v_(o))`such that the block A will topple over block B. What is the energy stored in the spring when the blocks A and B returns to their initial position as before collision

A and B are two identical blocks of same mass `2` m and same physical

1.	A and B are two identical blocks of same mass `2` m and same physical dimensions as shown in figure `-4.158` A is placed over the block B which is attached to one end of the spring of natural length l and spring contant k. The other end of the speing is attached to a wall. The system is resting on a smooth horizontal surface with the spring in the relaxed state. A small object of mass m moving horizontally with speed v at a height d above the horizontal surface hits the block B along the line of therir cntre of mass in a perfectly elastic collision. There is no friction between A and B. Find the minimum value of v `("say"v_(o))`such that the block A will topple over block B. What is the energy stored in the spring when the blocks A and B returns to their initial position as before collision
Answer» Correct Answer - `"["(a)v_(o)=3dsqrt((k/(8m)))(b)zero"]"`

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