Average Acceleration from Velocity Function
The velocity v of a rocket is given as a function of time t by the equation v(t) = 20t - 5t², where v is in m/s and t is in seconds. For which of the following time intervals is the average acceleration of the rocket equal to zero?
A
t = 0 s to t = 2 s
B
t = 0 s to t = 4 s
C
t = 2 s to t = 4 s
D
t = 1 s to t = 3 s
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