Question

Problems: 32 Points Total A 55.0-kg person, running horizontally with a velocity of 6.0 m/s, jumps onto a 9.0-kg sled that is initially at rest 17. Ignoring the effects of friction during the collision, find the velocity of the sled and person after the collision A) 1.7m's B) 2.3 m/s C) 3.1 m/s? D) 4.9 m/s E) 5.2 m/s F) 6.3 m/s 18. The sled and person coast 35.8 mon level snow before coming to rest. Use the work energy theorem to find the force of kinetic friction between the sled and the snow. A)216N B) 22.4N C) 23.5 N D) 24.2 N E) 25.1 N F) 26.7N 19. What is the coefficient of kinetic friction between the sled and the snow? A) 0.012 B) 0.039 C) 0.055 D) 0.076 E) 0.128 F) 0.94 20. What kind of collision occurred between the two train cars? A) clastic B) inelastic C) completely inelastic D) None of the other answers.

Answer 1

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