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Mechanical Energy and Air Resistance

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#1. Is it possible for one object to gain mechanical energy from another without touching it? Explain.

#2. A ball is thrown straight upward on the Moon. Is the maximum height it reaches less than, equal to, or greater than the maximum height reached by a ball thrown upward on the Earth with the same initial speed (no air resistance in both cases)? Explain.

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https://brainmass.com/physics/coulombs-law/mechanical-energy-and-air-resistance-87474

Solution Summary

This solution contains examples of when an object can gain mechanical energy like in gravitation, electrostatics, and magnetism. It also calculates if the maximum height is less than, equal to, or greater than the maximum height reach by the ball.

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