What is the average speed, on #t in [0,5]#, of an object that is moving at #1 m/s# at #t=0# and accelerates at a rate of #a(t) =2t^2-1# on #t in [0,3]#?
1 Answer
Jan 16, 2018
The average speed is
Explanation:
The speed is the integral of the acceleration
Then,
Plugging in the initial conditions at
Therefore,
After that
The average speed on the interval
The average speed is