A block is released from rest at the top of a frictionless ramp above a horizontal…

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

Problem

A 0.80 kg0.80\,\text{kg} block is released from rest at the top of a frictionless ramp 1.5 m1.5\,\text{m} above a horizontal spring of force constant 600 N/m600\,\text{N/m}. The block slides down and compresses the spring until it momentarily comes to rest. In a second trial the height of the ramp and the spring are unchanged, but the block’s mass is doubled to 1.6 kg1.6\,\text{kg}. Which of the following best describes the new maximum compression of the spring compared with the first trial? (a) It is half as large. (b) It is unchanged. (c) It is larger by a factor of 2\sqrt{2}. (d) It is exactly twice as large.

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