

Most Recent Video (2017.09.17)
What is the Maximum Speed of a Car at the Top of a Hill? (3:49)
What is the maximum linear speed a car can move over the top of a semicircular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters. 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 


