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A vertical spring with a spring constant of 800 N/m is mounted on the floor. From...

A vertical spring with a spring constant of 800 N/m is mounted on the floor. From directly above the unstrained string, a 0.5 kg block is dropped from rest. It collides with and attaches to the spring, which is compressed by 10 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, what is the speed of the block right before it hits the spring?

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Answer #1

Mars of block, m=0.5kg Given K= 800 N/m x= 10 cm - Oolm. If u be velocity of block, then according to conseration of energn k

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