Physics, 28.09.2019 18:30 2002kaitlynmull
He total lifetime of the sun is close to 10 billion years. estimate the lifetime of a star three times as massive as the sun, and explain why it is likely or unlikely for complex, multi-cellular life to be able to evolve on a planet in the habitable zone around that star.
Answers: 1
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Identify two factors that determine the rate of stream erosion
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Physics, 21.06.2019 21:30
The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output
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Physics, 21.06.2019 21:30
In what direction does the medium move relative to the direction of the wave? explain.
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Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
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