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Josh is playing pool. During his shot, an orange billiard ball with a momentum of 165 g · m/s hits a green billiard ball at rest. After the collision, the orange billiard ball continues in the same direction with a momentum of 60 g · m/s. What is the momentum of the green ball right after the collision?

Sagot :

Manetho

Answer:

105 g.m/s

Explanation:

The law of conservation of momemtum states that initial momemtum is equal to final momentum.

initial momentum of orange ball = 165 g.m/s

initial momentum of green ball = 0 g.m/s

final momentum of orange ball = 60 g.m/s

final momentum of green ball = x

165+0=60+x

⇒x = 165-60= 105 g.m/s

the momentum of the green ball right after the collision =105 g.m/s

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