PHYS-150 Lecture 15: PHYS 150 Lecture 15: Special Relativity: Normal Momentum

the proton and the electron are 212 pm apart in the plane of the paper. Find their electric dipole moment

21) At what speed is the relativistic momentum five times the valuecalculated classically ?


ANS: 0.98c

A closed system consists of 2 objects. Initially, object A has amomentum of 42 kg·m/s north and object B has a momentum of 64kg·m/s south. The two objects have a head-on collision. Afterwards,object A is observed to have a momentum of 21 kg·m/s south. Afterthe collision, what is object B's momentum?

Answer:______________________ kg·m/s

____East
____West
____ Up
____ Down
____North
____ South
____ Left
___Right
____No direction because object B has stopped