Physics, 17.11.2020 18:00 UnusualKc8513
Determine the resistance of 1200 m of copper cable having a diameter of 12 mm if the resistivity of copper is 1.7×10−8m.
Answers: 1
Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3
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Determine the resistance of 1200 m of copper cable having a diameter of 12 mm if the resistivity of...
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