A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 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
Answer:B
A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 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