Momentum and CollisionHard
Question
Two blocks of masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impulse give a velocity of 14 m/s to the heavier block in the direction of the lighter block. The velocity of the centre of mass is
Options
A.30 m/s
B.20 m/s
C.10 m/s
D.5 m/s
= 10m/sMore Momentum and Collision Questions
A steel wire 1.5 m long and of radius 1 mm is attached with a load 3 kg at one end the other end of the wire is fixed it...For the given uniform square lamina ABCD, whose centre is O,...A hammer of mass M strikes a nail of mass m with velocity of v ms-1 and drives it ′a′ metre into fixed block...Bullets of mass 40 gm each are fired from a machine gun with a velocity of 103 m/s. If the person firing the bullets exp...An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The...