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SAT® Subject Test in Physics

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Moderate

Skidding Car

SATPHY-YXYLVR

A car skids to a stop on a horizontal surface. The speed of the car goes down by $6.0\ m/s$ each second as it is skidding.

What is the coefficient of friction between the tires and the road?

A

0.61

B

0.52

C

0.3

D

1.63

E

0.98