# an object is projected from ground with speed 20m/s at an angle 30 with horizontal .its centripetal acceleration 1s after the projection is

Dear Student,

Given that the initial velocity of the particle is 20 m/s and the angle of projection is 300. Let the velocity of the object after t = 1 sec is v. Therefore,

So, the particle will be at its highest point. Therefore the centripetal acceleration is g as shown in the figure below.