Answer to Question #56261 in Mechanics | Relativity for adeshina

Question

17 a particle moves along the x-axis in such a way that its position at any instant is given by

x−5t2+1

, where

x

is in metres and

t

is in seconds. calculate the instantaneous velocity at 2s.

20ms−1

30ms−1

50ms−1

25ms−1