Two moons orbit a planet in nearly circular orbits moon a
Two moons orbit a planet in nearly circular orbits. Moon A has orbital radius r, and moon B has orbital radius 4r. Moon A takes 20 days to complete one orbit. Find how long does it take moon B to complete one orbit?
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a boat which has a speed of v 120 ms in still water heads directly across a river which has a current of 700 ms and is
an athlete swings a 490 kilogram ball horizontally on the end of a rope the ball moves in a circle of radius 0990 meter
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two moons orbit a planet in nearly circular orbits moon a has orbital radius r and moon b has orbital radius 4r moon a
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a 85 kilogram crate sits in a 280 kilogram boat find what is the acceptable range of forces that a boat propeller can
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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