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The difference between two numbers is 15. when twice the smaller number is subtracted from three times the larger number, the difference is 58.what is the larger number?
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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The dominant wavelength of energy emitted by the sun is
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A 5.0-kg box is pulled by a horizontal force F applied to the top of the box. When the box meets a l...
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