An object A is kept fixed at the point x 3 m and y 1 25 m on

Last updated: 6/12/2023

An object A is kept fixed at the point x 3 m and y 1 25 m on a plank P raised above the ground At time t 0 the plank starts moving along the with an 1 5 m s At x direction acceleration 1 25 m 3 0 m the same instant a stone is projected from the origin with a velocity u as show A stationary person on the ground observes the stone hittin the object during its downward motion at an angle of 45 the horizontal All the motions are in x y plane Find u an the time after which the stone hits the objec