JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A rocket of mass 1000 kg exhausts gases at a rate of 4 kg s⁻¹ with a velocity of 3000 ms⁻¹. The thrust developed on the rocket is

Answer: (A)

Solution

Thrust = (dm/dt)v = 4 × 3000 = 12000 N.

Question ID VK-152872