a gun barrel weight 300 kg and has a recoil spring of stiffness 250 Newton per mm the barrel is equal to 0.8m on firing determine i the critical recoil velocity of the gun .
(i) The natural frequency is
=28.87 𝑟𝑎𝑑/𝑠 .
From conservation of energy, we have
𝑣 = 𝜔𝑥 = (28.87)(0.8)