A70.0-kg person throws a 0.0420-kg snowball forward with a ground speed of 35.0 m/s. a second person, with a mass of 57.0 kg, catches the snowball. both people are on skates. the first person is initially moving forward with a speed of 2.20 m/s, and the second person is initially at rest. what are the velocities of the two people after the snowball is exchanged?

so throwers new velocity = 2.18032m/s

so catchers new velocity = 0.02577m/s

Explanation:

Directly by conservation of momentum we can write

let x be the thrower's new velocity

(70+0.042)×2.2 + 57×0 = 70× x +0.042×35 +57×0

x = 2.18032m/s

so the velocity of 70 kg man = 2.18032m/s

so throwers new velocity = 2.18032m/s

now again by conservation of momentum

0.042×35 = (57+0.042) ×y

y = 0.02577m/s

so catchers new velocity = 0.02577m/s

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