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How far will a motorcycle driven by Emily travel, if it is initially moving at 14.8 ft/s and accelerates uniformly at 11.3 ft/s2 for 6.6 seconds? My teacher never gave us equations to use when solving this king of problem.

A stone is thrown downward with a speed of 12 m/s from a height of 20 m. (acceleration due to gravity: 9.81 m/s2) a) What is the speed (in m/s) of the stone just before it hits the ground? b) How long does it take (in seconds) for the stone to hit the gro...