Physics, 19.12.2019 10:31 davienwatson8

Agirl on the swing throws a ball at the velocity of positive +7.5 m/s relative to the swing. when the ball leaves her hand, the girl has a velocity of +13.5 m/s relative to the ground. what is the velocity of the ball relative to the ground when she throws it?

a. +2 m/s
b.+6 m/s
c.+21 m/s
d. +101.25 m/s

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Agirl on the swing throws a ball at the velocity of positive +7.5 m/s relative to the swing. when th...

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