Asked by wealth
Two bodies a and b masses 4kg and 2kg move towards each other with velocities 3m/s and 2m/s and collide. If the collision is perfectly inelastic, find the velocity
of the 2 bodies after collision. Find the tolal kinetic energy of the system before and after collision, hence calculate the loss in kinetic energy.
of the 2 bodies after collision. Find the tolal kinetic energy of the system before and after collision, hence calculate the loss in kinetic energy.
Answers
Answered by
Damon
If it is perfectly inelastic, no bounce at all, then they are stuck together after the collision and all the momentum is in one 6 kg mass
4*3 - 2*2 = 6 * v
before ke = (1/2)(4)(9) + (1/2)(2)(4)
after ke = (1/2)(6)v^2
4*3 - 2*2 = 6 * v
before ke = (1/2)(4)(9) + (1/2)(2)(4)
after ke = (1/2)(6)v^2
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