# Answer on Mechanics | Relativity Question for Zandra

Question #11579

A solar powered car is traveling at a constant speed around a track. What happens to the centripetal acceleration of the car if the speed is doubled?

Expert's answer

It increases by a factor of 4, because

Fc = mv²/r.

Also,

Fc = ma,

so we conclude that the relationship between a and v is a squared relationship.

Fc = mv²/r.

Also,

Fc = ma,

so we conclude that the relationship between a and v is a squared relationship.

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