The 300N crate slides down the inclined curved path from A to B in the vertical plane as shown in the figure if the crate has a velocity of 1.2m/s down yhe inclined at point A and 8m/s at B. Find the work done against friction during the motion.

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The 300 N crate slides down the curved path from A to B in the vertical plane as shown in the figure. If the crate has a velocity of 1.2 m/s down the inclined at point A and 8 m/s at B. Find the work done against friction during the motion

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