Constant Acceleration Kinematics: A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s. At the end of this time, what is its velocity?
A. 15 m/s
B. 30 m/s
C. 45 m/s
D. 375 m/s
Answer: C
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