An object with mass 0.30 kg falls from rest onto a spring of stiffness 25,000 N/m. The relaxed height of the spring is 0.11 m, but when the object reaches its lowest point, the (compressed) spring has a height of only 0.06 m. a) How much energy is stored in the spring when the object reaches its lowest point? b) What is the height h from which the object was released? c) What was the speed of the object at the instant when it first made contact with the spring

An object with mass 0.30 kg falls from rest onto a spring of stiffness 25,000 N/m. The relaxed height of the spring is 0.11 m, but when the object reaches its lowest point, the (compressed) spring has a height of only 0.06 m. a) How much energy is stored in the spring when the object reaches its lowest point? b) What is the height h from which the object was released? c) What was the speed of the object at the instant when it first made contact with the spring

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