A block is pressed against a horizontal spring and then released from rest

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A 2.0 kg2.0\,\text{kg} block is pressed against a horizontal spring and then released from rest. After leaving the spring, it slides without friction up a ramp and momentarily comes to rest 1.5 m1.5\,\text{m} above its starting height. If the spring constant is 5.0×102 N ⁣⋅ ⁣m−15.0\times10^{2}\,\text{N}\!\cdot\!\text{m}^{-1}, approximately how much was the spring compressed before release? (a) 0.34 m0.34\,\text{m} (b) 0.24 m0.24\,\text{m} (c) 0.49 m0.49\,\text{m} (d) 0.12 m0.12\,\text{m}

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