Unit 5.1 Quiz
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Two planets are discovered many light years away orbiting a star. After years of observation, astronomers find that Planet "A" is 35.27 million miles from the star it orbits, and Planet "B" is 72.6 million miles from the star. If Planet "B" takes 276.8 days to orbit the star, what is the period (T) of Planet "A"
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A standard vinyl record rotates at an angular velocity of 33 revolutions per minute and has a diameter of 10 inches. Calculate the tangential velocity at the very outside edge of the record.
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A tether ball is attached to a pole with a 1.5 m rope. If a student hits the ball resulting in a tangential velocity of 21 meters/second, what is the angular velocity of the ball?
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A ferris wheel at the carnival rotates 14 times in 5 minutes. If the ferris wheel is 42 feet in diameter, what is the tangential velocity of the passengers in meters per second?
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A far away planet is determined to have a mass of 2.2 X 10^17 kg. If the distance to the center of the planet is 2000 miles, what is the acceleration due to gravity (g) for the planet?
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