High School

When a car driver sees an emergency ahead, he applies the brakes. During his reaction time, the car travels at a steady speed and covers a distance known as the thinking distance. The braking distance is the distance traveled by the car after the brakes are applied.

(a) State the energy change that occurs as the car brakes.

Answer :

Final answer:

When a car driver applies the brakes, the energy change that occurs is the conversion of kinetic energy into other forms of energy, such as thermal energy.

Explanation:

When a car driver applies the brakes, the energy change that occurs is the conversion of kinetic energy into other forms of energy, such as thermal energy.

This conversion happens due to the application of friction between the brake pads and the wheels, which slows down and eventually stops the car.

This change in energy is necessary in order to bring the car to a halt and prevent it from colliding with the emergency ahead.

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