A new car, car 1, has a spring loaded rear bumper with a force constant of 8.4x105 N/m. While car 1 is parked, a second vehicle, car 2 (with mass of 1.5x103 kg), travels at a constant speed of 18 km/h, hitting car 1 in the rear bumper.
a) Calculate the kinetic energy of car 2.
b) Calculate the distance that car 1’s bumper will compress if car 2 comes to a complete stop after striking it.
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