A particle of mass … moving in the … direction with speed … is hit by another particle of mass … moving in the … direction with speed … If the collision is perfectly inelastic, the percentage loss in the energy during the collision is close to:

Option A. Applying conservation of linear momentum in x direction

Center of Mass

JEE Main 2015 · Session, Shift 1 · Q6205

PhysicsHard63×since 2002Q6205

A particle of mass

m

moving in the

x

direction with speed

2v

is hit by another particle of mass

2m

moving in the

y

direction with speed

v.

If the collision is perfectly inelastic, the percentage loss in the energy during the collision is close to:

JEE Main 2015 · Session, Shift 1 · Q6205

PhysicsHard63×since 2002Q6205

A particle of mass

m

moving in the

x

direction with speed

2v

is hit by another particle of mass

2m

moving in the

y

direction with speed

v.

If the collision is perfectly inelastic, the percentage loss in the energy during the collision is close to: