A ball projected straight downward from the top of a building with an initial speed of 5.3 m/sec hits the ground 4.0 sec
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A ball projected straight downward from the top of a building with an initial speed of 5.3 m/sec hits the ground 4.0 sec
A ball projected straight downward from the top of a building with an initial speed of 5.3 m/sec hits the ground 4.0 sec later. The height of the building must be m 112 110 78.4 99.4
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