Question
A battleship that is $6.00\times 10^{7}\textrm{ kg}$ and is originally at rest fires a 1100-kg artillery shell horizontally with a velocity of 575 m/s. (a) If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship’s recoil. Calculate its recoil velocity. (b) Calculate the increase in internal kinetic energy (that is, for the ship and the shell). This energy is less than the energy released by the gun powder—significant heat transfer occurs.
1. $0.011 \textrm{ m/s}$
2. $1.8\times 10^{8}\textrm{ J}$
Solution Video