In a ski competition, skiers first slide down a slope of 10 degrees and then encounter a horizontal section. the coefficient of friction along the slope is 0.15 and the horizontal section is frictionless. in order to slow down, a skier with a mass of 80.0kg decides to collide with a stationary cushioned block with a mass of 50.0kg. the skier sticks to the block and they slide together with a final velocity of 5.5 m/s. the skier and block then collide with a spring and it compresses 1.60m.
(a) what is the velocity of the skier before colliding with the block?
(b) determine the length of the ski slope?
(c) what is the spring constant of the spring?
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