The distance travelled by a particle is related to time $t$ as $x =4 t ^2$. The velocity of the particle at $t =$ $5 s$ is $.........ms^{-1}$
The distance travelled by a particle is related to time $t$ as $x =4 t ^2$. The velocity of the particle at $t =$ $5 s$ is $.........ms^{-1}$
- [JEE MAIN 2023]
- A
$40$
- B
$25$
- C
$20$
- D
$8$
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