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A ball is thrown vertically upwards with the speed of 9.6m/s from the top of a tower returns to the earth in 6 secs. Find height of the tower. 
Asked by Rajesjkumar16025 | 02 Aug, 2019, 08:18: AM
answered-by-expert Expert Answer
Distance travelled S = u t -(1/2) g t2 ..................(1)
 
where u is initial speed, t is time duration of travel and g is acceleration due to gravity.
 
S = 9.6×6 -(1/2)×9.8×36 = -118.8 m
 
Hence height of building is nearly equal to 119 m
Answered by Thiyagarajan K | 02 Aug, 2019, 09:31: AM

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