Physics
Physics, 12.11.2019 08:31, lazavionadams81

4. a car of mass 2000 kg is traveling at 45 m/s when the driver spots a policeman anead. i ne univer apprivo
the brakes lightly for 3.0 seconds until he slows down below the speed limit. if the average force applied
by the brakes was 1.4 x 104 n, by how much did the kinetic energy of the car change?

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4. a car of mass 2000 kg is traveling at 45 m/s when the driver spots a policeman anead. i ne univer...

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