3A car moves in a straight line with velocity v(t) = 1.9t+0.5. a. What is the car's initial velocity? What is its acceleration?
b. What does the v vs. t graph look like for the first 10 seconds of its motion?
c. What does the a vs. t graph look like for the first 10 seconds of its motion?
d. How far has the car traveled after 7 seconds?
e. What does the x vs. t graph look like for the first 10 seconds of its motion?