The position vector of a particle is determined by the expression `vec r = 3t^2 hat i+ 4t^2 hat j +
Channel: Doubtnut
Date: 2020-01-19

The position vector of a particle is determined by the expression `vec r = 3t^2 hat i+ 4t^2 hat j + 7 hat k`. The displacement traversed in first `10` seconds is :