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Introduction: I need help with part b

More Details: A 53.7-kg person, running horizontally with a velocity of +4.99 m/s, jumps onto a 11.9-kg sled that is initially at rest. (a) Ignoring the effects of friction

during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m on level snow before coming to rest. What is

the coefficient of kinetic friction between the sled and the snow?

More Details: A 53.7-kg person, running horizontally with a velocity of +4.99 m/s, jumps onto a 11.9-kg sled that is initially at rest. (a) Ignoring the effects of friction

during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m on level snow before coming to rest. What is

the coefficient of kinetic friction between the sled and the snow?