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An 1100 kg car navigates through a ${90}^{\circ}$ circular curve on a flat road. The total arc distance is 120 m, ​and the car takes 8.0 s to make it through the complete curve while moving at a constant speed.

What is the magnitude of the centripetal force on the car?

A

0 N

B

1.4 kN

C

2.1 kN

D

3.2 kN

E

4.8 kN

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