Momentum and CollisionHard
Question
A particle of mass m moving in the x direction with speed 2υis hit by another particle of mass 2m moving in the y direction with speed υ. If the collisions perfectly inelastic , the percentage loss in the energy during the collision is close to :
Options
A.56 %
B.62 %
C.44 %
D.50 %
Solution
Kinetic energy =
m(2v)2 × 
2m(v)2= 3 mv2
After collison
Applying momentum conservation for inelastic collision
2mvĵ + m2vî = 3m
Kf =
× 3m × (vf2) = 
% ᐃK =
= 56%Create a free account to view solution
View Solution FreeMore Momentum and Collision Questions
A ball of mass m is released from A inside a smooth wedge of mass m as shown in the figure What is the speed of the wedg...A body of mass 4 kg is acted on by a force which varies as shown in the graph below. The momentum acquired is...One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W1 is suspen...Water contained in a tank flows through an orifice of a diameter 2 cm, under a constant pressure difference of 10 cm of ...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...