Laws of MotionHard
Question
A machine-gun fires a bullet of masses 40 gm with velocity 1,200 m/s. The man holding it can exert a maximum force of 144 N on the gun. How many bullets can he fire per second at the moment :-
Options
A.Only one
B.3
C.He can fire any number of bullets
D.None of them
More Laws of Motion Questions
A 5 kg. mass is accelerated from rest to 60 m/s in 1 sec. What force acts on it : -...A 10 kg wagon is pushed with a force of 7N for 1.5 second, then with a force of 5 N for 1.7 seconds, and then with a for...Two blocks of masses 2 kg and 1 kg are in contact with each other on a frictionless table. When a horizontal force of 3....If a metallic sphere gets cooled from 62oC to 50oC in 10 minutes and in the next 10 minutes gets cooled to 42oC, then th...Five persons A, B, C, D & E are pulling a cart of mass 100 kg on a smooth surface and cart is moving with acceleration 3...