Question

The position vector of a particle is given by the equation r = 5.0t i + 1.0t² j. The magnitude of the velocity of the particle at t= 2 second is
1. √41
2. √43
3. √48
4. √38​

Answer 1

Explanation:

$hjjk\%\pi\% {2 { \\ }^{2} }^{2}$