Which of these are nearly 90 degrees to the orbit plane of Uranus
a. Uranus' equator
b. The orbit planes of its major satellites
c. The orbit plane of its rings
d. All of the above.
D
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The form of electromagnetic radiation most effectively blocked by a dark nebulae is ________
Fill in the blank(s) with correct word
Ethyl glycol at 90ºC flows at 10 m/s through 2 mm diameter heat exchanger tubes. The tube surface temperature is 30ºC at the entrance and the tube is 60 cm long. Estimate the outlet temperature of the ethyl glycol and the outlet tube surface temperature.
What will be an ideal response?
Newton's rings illustrate
A) refraction. B) reflection. C) dispersion. D) polarization. E) interference.
A parallel-plate capacitor consists of two parallel, square plates that have dimensions 1.0 cm by 1.0 cm
If the plates are separated by 1.0 mm, and the space between them is filled with teflon, what is the capacitance of this capacitor? (The dielectric constant for teflon is 2.1, and ?0 = 8.85 × 10-12 C2/N ? m2.) A) 1.9 pF B) 0.44 pF C) 2.1 pF D) 0.89 pF