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Question: A space rocket is engineered to use up a large amount of fuel, then jettison (separate from physically) the tanks that held the fuel after they are emptied. If a rocket in space exerts a force of 60,000 N for 10 seconds in order to accelerate in the frictionless environment, and jettisons one of its fuel tanks in the process, which of the following would be a safe prediction to make? Group of answer choices

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Since you haven't provided specific answer choices, I'll infer some possible predictions based on the given scenario: 1. The rocket's total mass will decrease: When a rocket in space jettisons its empty fuel tanks, its total mass decreases. This is because the combined mass of the rocket now no longer includes the mass of the jettisoned fuel tanks. 2. The rocket's acceleration will increase: According to Newton's Second Law of Motion (Force equals mass times acceleration, or F = ma), if the force remains constant and the mass decreases (as it does when the rocket jettisons its empty fuel tanks), the acceleration must increase. 3. The rocket's speed will increase: As a result of increased acceleration and no friction in space, the speed of the rocket will increase. Remember, these predictions are based on ideal situations where other forces like gravity and variations in thrust are neglected. Real-world space travel involves various other factors that could influence these predictions.

June 28, 2023, 9:32 a.m.

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