39 What is the height h of the ramp A 2 6 m BI O 11 cm O 1 5

Last updated: 4/25/2023

39 What is the height h of the ramp A 2 6 m BI O 11 cm O 1 5 m Smooth B Rough The diagram shows a 0 74 kg square block at four positions along a track The track is frictionless between points A and B Elsewhere the coefficient of static friction on the block is 0 36 C Initially the block is held in place against a spring by a horizontal external force of magnitude 29 N Then the external force is removed and the block is projected forward V 1 2 m s V3 1 4 m s V2 1 9 m s The block stops at point D The block descends a ramp and has speed with speed at the bottom At point C its speed is DE