32 A biker stands on the edge of a cliff 490 m above the

Last updated: 6/14/2023

32 A biker stands on the edge of a cliff 490 m above the ground and throws a stone horizontally with an initial speed of 15 m s Neglecting air resistance find the time taken by the stone to reach the ground and the speed with which it hits the ground Consider g 9 8 m s NCERT Sol Given h 490 m ux 15 m s 9 8 m s ax 0 y 0 A ori y 490 m A Time taken by the stone is 2 490 1 t Ground V 2h V g 9 8 vy Vx ux axt 15 0 x 10 15 m s Vyuy a t 0 9 8 x 10 98 m s x 15 98 99 14 m s v 10 s P 2 1 1