The speed of a projectile when it is at its greatest height is root 2/5 times its speed at half the maximum height. The angle of projection is The speed of a projectile when it is at its greatest height is root 2/5 times its speed at half the maximum height. The angle of projection is October 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 4 - Motion in Plane , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related