A 2 kg block slides on a horizontal floor with a speed of4m/s. It stri – McqOptions

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1.	A 2 kg block slides on a horizontal floor with a speed of4m/s. It strikes a uncompressed spring, and compresses it till the block is motionless. The kinetic friction force is 15N and spring constant is 10,000 N/m. The spring compresses by Critical Thinking
A.	8.5 cm
B.	5.5 cm
C.	2.5 cm
D.	11.0 cm
Answer» C. 2.5 cm

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