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iren2701 [21]
3 years ago
10

Two hockey pucks with mass 0.1 kg slide across the ice and collide. Before

Physics
1 answer:
svp [43]3 years ago
3 0

Answer:

Puck 1 = 12 m/s

Explanation:

Conservation of energy

KE_1a + KE_2a = KE_1b + KE_2b

(1/2)(0.1kg)(15m/s)^2 + (1/2)(0.1kg)(12m/s)^2 = (1/2)(0.1kg)(V)^2 + (1/2)(0.1kg)(15m/s)^2

V = 12m/s

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