1 Bx at a 2 ax B t 3 xt a 4 at B x 47 A ball is dropped from

Last updated: 6/21/2023

1 Bx at a 2 ax B t 3 xt a 4 at B x 47 A ball is dropped from an elevator moving upward with acceleration a by a boy standing in it The acceleration of ball with respect to Take upward direction positive 1 Boy is g 2 Boy is g a 3 Ground is g 4 Both 2 3 48 A ball is thrown upward with speed 10 m s from the top of the tower reaches the ground with a speed 20 m s The height of the tower is Take g 10 m s