A cannon of mass M 200 kg is positioned a top a narrow wall

Last updated: 6/7/2023

A cannon of mass M 200 kg is positioned a top a narrow wall as shown It fires a ball of mass m 2kg horizontally across a plane Unfortunately the gunners forgot to lock the frictionless wheels of the cannon and it immediately rolls backwards off the wall landing a distance 8 m from the wall as shown Neglecting air friction at what distance x in meters from the base of the wall does the ball land