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23 Nov 2019
At Sea World, a 33.0-kg seal slides down a ramp into the poolbelow. The top of the ramp is 1.50 m higher than the surface of thewater, and the ramp is inclined at an angle of 30.0° above thehorizontal. The seal reaches the water with a speed of 4.90m/s.
(a) What is the work is done by kinetic friction?
J
(b) What is the coefficient of kinetic friction between the sealand the ramp?
At Sea World, a 33.0-kg seal slides down a ramp into the poolbelow. The top of the ramp is 1.50 m higher than the surface of thewater, and the ramp is inclined at an angle of 30.0° above thehorizontal. The seal reaches the water with a speed of 4.90m/s.
(a) What is the work is done by kinetic friction?
J
(b) What is the coefficient of kinetic friction between the sealand the ramp?
Nelly StrackeLv2
8 Nov 2019
