Question: A 2.0-kg block on a rough horizontal surface moves toward a spring of force constant k = 2000 N/m. The speed of the block

A 2.0-kg block on a rough horizontal surface moves toward a spring

A 2.0-kg block on a rough horizontal surface moves toward a spring of force constant k = 2000 N/m. The speed of the block at the moment it collides with the spring is 6.0 m/s. If a constant friction force of 5.7 N retards its motion, what is the speed of the block at the instant it compresses the spring by 0.15 m? k w....!!! O A. 3.79 m/s B. 2.79 m/s C. 7.59 m/s D. 7.70 m/s E. 3.56 m/s 2.0 kg

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