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Motion under Gravity of Falling Object

A carpenter drops a hammer off the roof of a house. If the hammer falls a distance of 6.46 meters, what is the speed just before striking the ground? Neglect air friction. I believe the answer is 11.3 m/s. I need to see each step and formula to solve this question.

Solution Summary

The velocity of a freely falling body from a height is calculated by equation of motion and energy conservation both methods.

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