A block of mass 2:5 kg is kept on a rough horizonta! surface. It is found that the block does not slide if a horizontal force less than 15 N is applied to it. Also it is found that it takes 5 seconds to slide through the first 10 m if a horizontal force of 15 N is applied and the block is gently pushed to start the motion. Taking g = 10 m/s ", calculate the coefficients of static and kinetic friction between the block and the surface.
A block of mass 2:5 kg is kept on a rough horizonta! surface. It is found that the block does not slide if a horizontal force less than 15 N is applied to it. Also it is found that it takes 5 seconds to slide through the first 10 m if a horizontal force of 15 N is applied and the block is gently pushed to start the motion. Taking g = 10 m/s ", calculate the coefficients of static and kinetic friction between the block and the surface.
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