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 )

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 )
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