If the momenta of two particles of a system are given by `vecp_(1)=2hati-hatj+3hatk` and `
Channel: Doubtnut
Date: 28/01/2020

If the momenta of two particles of a system are given by `vecp_(1)=2hati-hatj+3hatk` and `vecp_(2)=-hati+2hatj-2hatk` then calculate the angle made by the direction of motion of the system with positive x-axis.