A 2 kg block slides on a horizontal surface with a speed of 4 m/s. It strikes an uncompressed spring and compresses it till the block is motionless. The Kinetic frictional force is 15 Newton and spring constant 10,000 N/m. the spring compresses by (in cm)?
[ Also, please give proper explanation]
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just you need to find kinetic energy elastic potential energy and work done by the friction force and by using law of conservation of energy kinetic energy must be equal to the sum of elastic potential energy stored in the spring and fictional force work done but there will be no kinetic energy at this is because a body is at rest
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