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A car is traveling on a level road with speed v_{0} at the instant when the brakes lock, so that the tires slide rather than roll.

You may want to review (Pages 177 - 182).

For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Using work and energy to calculate speed.

Use the work-energy theorem to calculate the minimum stopping distance of the car in terms of v_{0}, g, and the coefficient of kinetic friction _{k} between the tires and the road.

By what factor would the minimum stopping distance change if the coefficient of kinetic friction were doubled ?

By what factor would the minimum stopping distance change if the initial speed were doubled?

By what factor would the minimum stopping distance change if both the coefficient of kinetic friction and the initial speed were doubled?

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Our tutors have indicated that to solve this problem you will need to apply the Net Work & Kinetic Energy concept. You can view video lessons to learn Net Work & Kinetic Energy. Or if you need more Net Work & Kinetic Energy practice, you can also practice Net Work & Kinetic Energy practice problems.