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Introductory Physics Homework Help
Kinematics: find maximum height
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[QUOTE="alejandromeira, post: 6054670, member: 646147"] After you have calculated the velocity at t=4s, I think is better calculate the height using energy with the Newton's formula: ##U=-G\frac{M·m}{R}## , (##m## cancels in the calculation), because we don't know if with these velocity g is a constant during all the trajectory. Also for the go back. Edit. I have calculated the initial velocity afther the acceleration and perhaps you can use the simplify formula for potential energy ##U=m·g·h## [/QUOTE]
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Introductory Physics Homework Help
Kinematics: find maximum height
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