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Physics, 22.06.2019 21:00
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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Physics, 22.06.2019 21:00
Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer
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Physics, 22.06.2019 22:40
Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth
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Physics, 23.06.2019 04:31
Ivana walks 2km north then turns around and walks 3km south
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Francine is standing on the edge of a cliff. She determines that she has 6615J of gravitational pote...
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