1. Math
2. Calculus
3. a particle moves in a straight line so that its...

# Question: a particle moves in a straight line so that its...

###### Question details

A particle moves in a straight line so that its position, x cm, relative to O at time t seconds is given by $x={t}^{2}-12t+11$.

A) What is its average velocity for the first 3 seconds?

B) Determine its average speed for the first 3 seconds?