Homework Help: Physics

Posted by James on Sunday, May 27, 2012 at 9:05pm.

A man throws a rock of mass m = 0.310 kg straight up into the air. In this process, his arm does a total amount of work Wnet = 105 J on the rock. Calculate the maximum distance, h, above the man's throwing hand that the rock will travel. Neglect air resistance.

Physics - drwls, Sunday, May 27, 2012 at 10:37pm
Wnet = m g H

Solve for the maximum height reached, H.

Is Wnet 105 or 10^5 joules? 105 is more likely
Physics - James, Sunday, May 27, 2012 at 10:57pm
Yes, Wnet is 105 J.
Thank you.

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