JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A diwali rocket is ejecting 0.05 kg of gases per second at a velocity of 400 m/sec. The accelerating force on the rocket is

Answer: (B)

Solution

Force = (rate of gas ejection) × (velocity) = 0.05 × 400 = 20 N.

Question ID VK-153260