Two particles are moving with velocities `v_(1)=hati+thatj+hatk` and `v_(2)=thati+thatj
Channel: Doubtnut
Date: 2021-11-08

Two particles are moving with velocities `v_(1)=hati+thatj+hatk` and `v_(2)=thati+thatj+2hatk m//s` respectively. Time at which they are moving perpendicular to each other is.____________(second)