A 62.4 kg ice skater moving to the right with a velocity of 2.67 m/s throws a 0.

Question

A 62.4 kg ice skater moving to the right with a velocity of 2.67 m/s throws a 0.198 kg snow ball to the right with a velocity of 39.7 m/s relative to the ground. What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and the ice. Answer in units of m/s

A second skater initially at rest with a mass of 58.4 kg catches the snowball. What is the velocity of the second skater after catching the snowball in a perfectly inelastic collision? Answer in units of m/s

Explanation / Answer

momentum is conserved

62.4*2.67+.198*39.7= 62.4*v

v=3.09 sec

b) .198*39.7=(.198+58.4)*v

v=.134 m/s

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