Assertion A: In case of bullet fired from a free gun, the ratio of kinetic energy of gun and bullet is equal to ratio of mass of bullet and gun

Question

Assertion A: In case of bullet fired from a free gun, the ratio of kinetic energy of gun and bullet is equal to ratio of mass of bullet and gun

Reason R: In the above firing, total momentum of gun+bullet system remains conserved.

Smart Achievers · Accepted Answer

(3)

$0 = {\vec{P}}_{g u n} + {\vec{P}}_{b u l l e t}$

or $P_{g u n} = P_{b u l l e t}$

$\frac{K_{g u n}}{K_{b u l l e t}} = \frac{P_{g u n}^{2} / 2 m_{g u n}}{P_{b u l l e t}^{2} / 2 m_{b u l l e t}} = \frac{m_{b u l l e t}}{m_{g u n}}$

Want Us to Email you About Special Offers & Updates?