What is the average speed of an object that is moving at #9 m/s# at #t=0# and accelerates at a rate of #a(t) =2t+1# on #t in [1,2]#?
1 Answer
Mar 2, 2018
The average speed is
Explanation:
The speed is the integral of the acceleration
Plugging in the initial conditions
Therefore,
The average speed is