An apple is dropped from the top of a multistorey building. At the same instant, an arrow is shot vertically upwards from the ground with a velocity of 11 m/s. If the arrow hits the apple after 2 s, then calculate the height of the building
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V^=u^2 +2as
•°• a=v/t. = 11/2
•°• 11^2=0(as arrow starts from rest) +2×11/2×s
S=11 metres
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