Package is dropped over the side
A hot-air balloon is ascending at the rate of 12 m/s and is 70 m above the ground when a package is dropped over the side.
(a) How long does the package take to reach the ground?
(b) With what speed does it hit the ground?
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Is head loss greater if most of the pipe of a pumping system with a vertical lift from an underground fuel tank vs a system above ground?
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