A 100 kg gun fires a ball of 1 kg horizontally from a cliff of height 500 m. It falls on the ground at a distance of 400 m from the bottom of the cliff. Find the recoil velocity of the gun. (Take g = 10 ms^(-2))

A 100 kg gun fires a ball of 1 kg horizontally from a cliff of height

1.	A 100 kg gun fires a ball of 1 kg horizontally from a cliff of height 500 m. It falls on the ground at a distance of 400 m from the bottom of the cliff. Find the recoil velocity of the gun. (Take g = 10 ms^(-2))
Answer» `0.2 MS^(-1)` `0.4 ms^(-1)` `0.6 ms^(-1)` `0.8 ms^(-1)` SOLUTION :`0.4 ms^(-1)`