Question: a 2.5 kg box sliding on a rough horizontal surface has a speed of 1.2 m/s when it makes contact with a spring. the spring

a 2.5 kg box sliding on a rough horizontal surface has a speed of 1.2 m/s when it makes contact with a spring. the spring constant of the spring is 930n/m and the coefficient if friction between the block and the surface is 0.18. how much work was done by the friction on the block from the moment of.contact between the block and the spring until the spring is fully compressed

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