At sea world a 280-kg seal slidesdown a ramp into the pool, Physics

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At sea world a 280-kg seal slidesdown a ramp into the pool

At Sea World, a 28.0-kg seal slidesdown a ramp into the pool below. The top of the ramp is1.75 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?

(b) What is the coefficient of kinetic friction between the sealand the ramp?

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Physics: At sea world a 280-kg seal slidesdown a ramp into the pool

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