A ball is thrown up with a certain velocity so that it reaches a height h. Find the ratio of the times in which it is a h/3.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
u 2 = 2gh; h/3 = 
t – 1/2 gt 2 or gt 2 – 2
t + 2h/3 = 0
t = 
or 
= 
= 
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