Question : A stone thrown vertically upwards attains a maximum height of 45m. In what time the velocity of stone become equal to one-half the velocity of throw? (Given g = 10ms −2 )
(A) 2 s
(B) 1.5 s
(C) 1 s
(D) 0.5 s
Answer : option(B)
Solution :
A stone thrown vertically upwards attains a maximum height of 45m. In what time the velocity of stone become equal to one-half the velocity of throw? (Given g = 10ms −2 )
with
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