A group of students is making model cars that wi ll be propelledby model rocket engines
Chapter 4, Problem 24(choose chapter or problem)
A group of students is making model cars that wi ll be propelledby model rocket engines. These engines provide a nearlyconstant thrust force. The cars are light-most of the weightcomes from the rocket engine- and friction and drag are verysmall. As the engine fires, it uses fuel, so it is much lighter atthe end of the run than at the start. A student ignites the enginein a car, and the car accelerates. As the fuel burns and the carcontinues to speed up, the magnitude of the acceleration wi llA. Increase. B. Stay the same. C. Decrease.
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