A ball is thrown straight upward with a speed ๐‘ฃ from a height โ„Ž above the ground. The time taken for the ball to strike the ground is given by

Question : A ball is thrown straight upward with a speed ๐‘ฃ from a height โ„Ž above the ground. The time taken for the ball to strike the ground is given by

(A) -h=vt-\dfrac{1}{2}gt^{2}

(B) h=vt-\dfrac{1}{2}gt^{2}

(C) \dfrac{1}{2}gt^{2}

(D) \sqrt{\dfrac{2g}{h}}

Answer : option (A)

Solution :

A ball is thrown straight upward with a speed ๐‘ฃ from a height โ„Ž above the ground. The time taken for the ball to strike the ground is given by
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