Physics, 16.02.2021 20:00 amandaparrish2323
A car of mass 2000kg is traveling on a straight road at a speed of 15m/s. How much net force is needed to keep the car at this constant speed of another 5 seconds?
A. 0
B. 667
C. 6000
D. 30000
Answers: 2
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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
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A car of mass 2000kg is traveling on a straight road at a speed of 15m/s. How much net force is need...
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