Question

A particle is projected up into air from a point with a speed of 20 m/s at an angle of projection 30 degree.what is the maximum height reached by it

Answer 1

Angular Projectile motion is symmetrical about the highest point.The object will reach the highest point in time T/2 .At the highest point,the vertical component of velocity vybecomes equal to zero . Range is the total horizontal distance covered during the time of flight.