Question

A field gun of mass 1.5 t fires a shell of mass 15 kg with
a velocity of 150 m/s. Calculate the velocity of the recoil
of the gun​

Answer 1

Answer:

Mass of gun = 1.5 t = 1500kg

mass of shell = 15kg

velocity of shell = 150m/sec

velocity of recoil of the gun = ?

momentum of gun = 1500 V kg m/s

momentum of shell = mass × velocity

=> 15 × 150 kg m/s

BY LAW OF CONSERVATION OF MOMENTUM,

$v = \frac{15 \times 150}{1500}$

$1.5m \: sec$

Answer 2

Mass of gun = 1.5 t = 1500kg

mass of shell = 15kg

velocity of shell = 150m/sec

velocity of recoil of the gun = ?

momentum of gun = 1500 V kg m/s

momentum of shell = mass × velocity

=> 15 × 150 kg m/s

BY LAW OF CONSERVATION OF MOMENTUM,

v = \frac{15 \times 150}{1500}v=

1500

15×150

1.5m \: sec1.5msec