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A horizontal rope is tied to a 70 kg box on frictionless ice. What is the tension in the rope if the box is at rest?
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How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
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Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?
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Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.
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Explain teen pregnancy from a sociological perspective.
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A horizontal rope is tied to a 70 kg box on frictionless ice. What is the tension in the rope if the...
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