system when the In the following diagram, M kg, m 3 kg and the kinetic frictional coefficient is 0.25 between the surface and the big M. The small m is 4meters above the ground. 14. find the work done by the friction as the big M slides through a distance of 4 meters. 15. find the spced of the small m hen it touches d ground. 771 rrottiIL M m 4m 3370 km

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