Some sliding rocks approach the base of a hill with a speed of12 m>s. The hill rises at 36° above the horizontal and has coefficientsof kinetic friction and static friction of 0.45 and 0.65, respectively, withthese rocks. Once a rock reaches its highest point, will it stay there or slide down the hill? If it stays, show why. If it slides, find its acceleration on the way down.
Some sliding rocks approach the base of a hill with a speed of12 m>s. The hill rises at 36° above the horizontal and has coefficientsof kinetic friction and static friction of 0.45 and 0.65, respectively, withthese rocks. Once a rock reaches its highest point, will it stay there or slide down the hill? If it stays, show why. If it slides, find its acceleration on the way down.
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Some sliding rocks approach the base of a hill with a speed of
12 m>s. The hill rises at 36° above the horizontal and has coefficients
of kinetic friction and static friction of 0.45 and 0.65, respectively, with
these rocks. Once a rock reaches its highest point, will it stay there or slide
down the hill? If it stays, show why. If it slides, find its acceleration on
the way down.
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