a stone is thrown with a speed u from the top of a tower. it reaches the ground with velocity 3u the height of tower is
nikita4568:
complete the qstn
ok got it... never mind
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If H is the height of the tower then
S = (v² - u²) / (2a)
H = [(3u)² - u²] / (2g)
H = 8u² / (2g)
H = 4u²/g
Height of the tower is 4u²/g
S = (v² - u²) / (2a)
H = [(3u)² - u²] / (2g)
H = 8u² / (2g)
H = 4u²/g
Height of the tower is 4u²/g
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