Physics
posted by Joel .
A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost in the collision.what formula must i use.

I already did this 
Damon
Please check replies before re posting
Respond to this Question
Similar Questions

physics
a mass m1 moves along the xaxis with velocity of magnitude v0 on a frictionless table. it strikes another mass m2 which is initially at rest. the mass m1 goes off along the the yaxis. if half the original kinetic energy is lost in … 
Physics
A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost … 
Physics please help urgent!!
a collision between two pucks on an airhockey table. Puck A has a mass of 0.025 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.060 kg and is initially at rest. … 
Physics please help
A particle of mass m1, traveling at speed v0, collides headon with a particle of mass m2 at rest. The collision is perfectly inelastic, i.e., the particles fuse together at the collision. Calculate the fraction of the initial kinetic … 
Physics
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 kg puck that is initially moving along the x axis with a velocity of 2.8 m/s. After the collision, the 0.20 kg puck has a speed of 0.5 m/s … 
physics
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at oi … 
physics
Croquet ball A moving at 8.0m/s makes a head on collision with ball B of equal mass and initially at rest. Immediately after the collision ball B moves forward at 7.1m/s . What fraction of the initial kinetic energy is lost in the … 
Physics
Two objects, one of mass 3kg moving at 2m/s, the other of mass 5kg and speed of 2m/s move towards each other and collide in a head on collision. If the collision is perfectly inelastic, find the speed of the objects after the collision. 
Physics
A neutron with mass 1.67e27 kg moving with speed 5.0 × 101 km/s makes a headon collision with a boron nucleus, originally at rest, with mass 1.66e26 kg. A) If the collision is completely inelastic, so the particles stick together, … 
Physics
Two hockey pucks of equal mass are involved in a perfectly elastic, glancing collision, as shown in the figure below. The orange puck is initially moving to the right at voi = 3.95 m/s, when it strikes the initially stationary blue …