Constant Acceleration Kinematics: A car is traveling with a constant speed when the driver suddenly applies the brakes, causing the car to slow down with a constant acceleration of magnitude 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?
A. 10.2 m/s
B. 14.5 m/s
C. 105 m/s
D. 210 m/s
E. 315 m/s
Answer: B
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