High-speed stroboscopic photographs show
that the head of a 192 g golf club is traveling
at 44.4 m/s just before it strikes a 45.9 g
golf ball at rest on a tee. After the collision,
the club head travels (in the same direction)
at 28.7 m/s.
Find the speed of the golf ball immediately
after impact.
Answer in units of m/s.

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  1. M1*V1 + M2*V2 = M1*28.7 + M2*V.
    0.192*44.4 + 0.459*0 = 0.192*28.7 + 0.459V.
    V = ?

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