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Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
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Physics, 23.06.2019 02:00
Explain the difference in reactivity of the elements based on their electron configurations.
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Physics, 23.06.2019 02:00
Estimate the kinetic energy of mars with respect to the sun as the sum of two terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. (assume mars is a uniform sphere with mass = 6.4×10 to the power of 23 kg, radius = 3.4×10 to the power of 6 m, rotation period = 24.7 hours, orbital period = 686 days and is 2.3×10 to the power of 8 km from the sun.)
Answers: 2
A 20 kg mass is flung at a velocity of 12 m/s. What is the kinetic energy of the object?...
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