A projectile is fired from the top of an 80 m high cliff with an initial speed of 30(m)/(s) at an unknown angle. The speed when its hits the ground. A projectile is fired from the top of an 80 m high cliff with an initial speed of 30(m)/(s) at an unknown angle. The speed when its hits the ground. October 21, 2020 Category: Cengage NEET by C.P Singh , Chapter 8 - Work, Energy and Power , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related