Total work done by the force of gravity
A 0.157 kg ball is thrown straight up from 1.94 m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time?
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What issues did Progressives support?What sectors of the U.S. economy did well in the 1920s?
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