Question : A ball is thrown straight upward with a speed ๐ฃ from a height โ 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 :
