A stone falls freely from rest from a height h and it travels a distance (9h/25) in the last second. The value of h is

Question

A stone falls freely from rest from a height h and it travels a distance (9h/25) in the last second. The value of h is (A) 145 m (B) 100 m (C) 122.5 m (D) 200 m

Tardigrade Admin · Accepted Answer

(9h/25)=(g/2)(2t-1) (1/2)gt2=h h = 122.5 m

Q. A stone falls freely from rest from a height $h$ and it travels a distance $\frac{9 h}{25}$ in the last second. The value of $h$ is

145 m

100 m

122.5 m

200 m

$\frac{9 h}{25} = \frac{g}{2} (2 t - 1)$
$\frac{1}{2} g t^{2} = h$
h = 122.5 m

Q. A stone falls freely from rest from a height h and it travels a distance 259h​ in the last second. The value of h is