6. Intro to Forces (Dynamics)
Forces & Kinematics
Multiple Choice
Multiple ChoiceAn 800-kg car is traveling along a horizontal road directly towards a cliff. The driver notices and brakes, resulting in a 5,000-N net force slowing the car down. If the car's initial speed was 20 m/s and the car stops just before going over the cliff, how far away was the car from the cliff when the driver hit the brakes?
A
1250m
B
0.03m
C
64m
D
32m
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