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Two ice skaters, with masses of 50.0kg and 65.0kg , are at the center of a 40.0m -diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink.
If the heavier skater reaches the edge in 30.0s , how long does the lighter skater take to reach the edge?
Express your answer with the appropriate units.
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the column of mercury in a barometer has a height of 0.760 m when the pressure is one atmosphere and the temperature is
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