Problem: When braking, brake pads apply a friction force on the wheels, which converts the kinetic energy of the car into heat, allowing the car to slow down. If a 2000 kg car is moving forward at 30 m/s. How much thermal energy must each brake be emitting per second if the car needs to stop within a distance of 100 m. Assume that the car has 4 sets of brakes, and that the braking force applied on the wheels is constant.

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Problem Details

When braking, brake pads apply a friction force on the wheels, which converts the kinetic energy of the car into heat, allowing the car to slow down. If a 2000 kg car is moving forward at 30 m/s. How much thermal energy must each brake be emitting per second if the car needs to stop within a distance of 100 m. Assume that the car has 4 sets of brakes, and that the braking force applied on the wheels is constant.

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

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