Humans’ specific day-night rhythms

A. Circadian Rhythm

B. Glare

C. Vincent Van Gogh

D. International Dark-Sky Association

E. Shielding

F. Sky Glow


A. Circadian Rhythm

Physics & Space Science

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Heat (Q) is the amount of _____________that is transferred from an area at high temperature to an area at low temperature.

Fill in the blank(s) with the appropriate word(s).

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A large ice cube is 30 cm on each side. If the length of each side is increased by a factor of three, the volume

A. increases by a factor of 1/9. B. increases by a factor of 6. C. increases by a factor of 9. D. increases by a factor of 27.

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Water in a car radiator sometimes boils explosively when the radiator cap is removed, which is due to sudden

A) rapid evaporation. B) reduced pressure. C) excess condensation. D) excess vaporization.

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A solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field at the center of the solenoid?

A) 16 mT B) 4.9 mT C) 15 mT D) 6.0 mT E) 9.0 mT

Physics & Space Science