# What is the Maximum Speed of a Car at the Top of a Hill?

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What is the maximum linear speed a car can move over the top of a semi-circular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters.

Want Lecture Notes? This is an AP Physics 1 topic.

Content Times:

0:08 Translating the problem

0:42 Drawing the free body diagram and summing the forces

1:45 Why the force normal is zero in this situation

2:26 Finishing the problem

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Previous Video: Introductory Centripetal Force Problem - Car over a Hill

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