How tall is the building if a ball is thrown horizontally with a velocity of 22.2 m/s from the roof of the building and lands 36 m from the base of the building?
Time of movement of the ball
"t=36\/22.2=1.62\\ (s)" . So,
"h=gt^2\/2=9.8\\cdot1.62^2\/2=12.86\\ (m)" . Answer
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