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What's the average required power to raise a 150-kg drum to a height of 20 m in a time of 1.0 min? (answer in kw)
Answers: 3
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Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
What's the average required power to raise a 150-kg drum to a height of 20 m in a time of 1.0 min?...
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