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Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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How many atoms of nitrogen are in the chemical formula ni(w on
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Velocity is the speed and direction of an object. * true * false...
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