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a ball is thrown straight up at an initial velocity of 10m/s. at what point is the acceleration greatest?
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a ball is thrown straight up at an initial velocity of 10m/s. at what point is the acceleration greatest?

User Kenji Crosland
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At the highest point, the velocity of the ball is zero ⇒v=0.

At the highest point, the ball has only potential energy, which is mgh=m(9.81)(h)=9.81mh J.
User Guillaume Perrot
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