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6 May, 08:15

A 50 g tennis ball travels at a velocity of 15 m/s, hits a basketball with a mass of 600 g that is stationary on a frictionless surface and then rebounds back in the opposite direction with a velocity of - 6 m/s. How fast will the basketball be moving after the collision? m/s

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  1. 6 May, 10:27
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    1.75 m/s

    Explanation:

    Momentum is conserved.

    m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂

    (50 g) (15 m/s) + (600 g) (0 m/s) = (50 g) (-6 m/s) + (600 g) v

    v = 1.75 m/s
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