A bullet of mass 10 gm is fired from gun of mass 1 kg
with the velocity of 100 m/s. Calculate the ratio of
kinetic energy of bullet and the
gun.
Answers
Answered by
4
Answer:
1:100
Explanation:
Let the Kinetic energy of bullet and the gun be K1 and K2.
mass of bullet (m1) = 10gm = 10/1000 kg
mass of gun (m2) = 1kg
velocity (v) = 100m/s
K1 = 1/2 × m1×v² = 1/2×10/1000×100² = 50
K2 = 1/2 × m2×v² = 1/2×1×100² = 5000
ratio = K1/K2 = 50/5000 = = 1/100 = 1:100
Similar questions