# A ball is thrown straight upward with a speed 𝑣 from a height ℎ 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 𝑣 from a height ℎ 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) $\sqrt{\dfrac{2g}{h}}$