Find the amount of work in foot-pounds required to empty

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Reference no: EM1353122

Q. At a ball game, consider a baseball of mass m = 0.15 kg that falls directly downward at a speed v = 40 m/s into the hands of a fan. What impulse Ft must be supplied to bring the ball to rest? If the ball is stopped in 0.03 s, what is the average force of the ball on the catcher's hand?

Q. A trough is 3 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=-1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required to empty the trough by pumping the water over the top. Note: The weight of water is 62 pounds per cubic foot.

Reference no: EM1353122

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