A ball is thrown vertically upwards from the surface of earth with a speed of 18kmh −1 . If g = 10ms −2 , then the maximum height attained by the ball is

Question : A ball is thrown vertically upwards from the surface of earth with a speed of 18kmh −1 . If g = 10ms −2 , then the maximum height attained by the ball is

(A) 1.25 m

(B) 3 m

(C) 10 m

(D) 180 m

Answer : option (A)

Solution :

A ball is thrown vertically upwards from the surface of earth with a speed of 18kmh −1 . If g = 10ms −2 , then the maximum height attained by the ball is
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