A balloon is rising up along the axis of a stationary

Last updated: 6/14/2023

A balloon is rising up along the axis of a stationary concave mirror of radius of curvature 20m A ball is dropped from the balloon at a height 15 m from the mirror when the balloon has velocity 2 m s Find speed of the image of the ball formed by concave mirror after 0 4 sec from the instant at which it was dropped in m s g 10 m s