Physics, 22.12.2019 18:31 Juliette9525
Which of the following statements best describes the characteristic of the restoring force in the spring-mass system described in the introduction? the restoring force is constant. the restoring force is directly proportional to the displacement of the block. the restoring force is proportional to the mass of the block. the restoring force is maximum when the block is in the equilibrium position
Answers: 2
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?
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Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.
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Physics, 23.06.2019 02:30
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Which of the following statements best describes the characteristic of the restoring force in the sp...
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