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A vertical spring with a spring constant of 320 N/m is mounted on the floor. From...

A vertical spring with a spring constant of 320 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.23-kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 3.3 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, from what height above the compressed spring was the block dropped?

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