Homework Help: Physics 4a

Posted by Antonio on Friday, September 10, 2010 at 10:43am.

A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B,
7.85 m higher than A, with speed v. Calculate (a) the speed v and (b) the maximum height
reached by the stone above point B.

Physics 4a - drwls, Friday, September 10, 2010 at 10:55am
You must have copied the problem incorrectly. It cannot have the same speed "v" at two different heights.

That would violate the law of conservation of energy.

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