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A car is making a turn at speed v. The radius of the turn is r and the centripetal force on the car is F.

A car is making a turn at speed v. The radius of the turn is r and the centripetal force on the car is F. If the same car rounds the same curve at speed 2v, what do you think the centripetal force required to keep in the track?

Here are the options: (1/2) F, F, 2F, 4F

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