At what angle is the orbit of the Moon around Earth inclined with respect to the orbital plane of Earth around the Sun?
Five degrees
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Two sound waves traveling through the air have different frequencies. Consequently, they must also have different
a. amplitudes b. speeds c. wavelengths d. all of the above
Why does the Moon appear bigger near the horizon?
A. due to refraction B. due to an optical illusion C. due to the compression produced by Earth's atmosphere D. due to reflection
If three unequal capacitors, initially uncharged, are connected in series across a battery, which of the following statements is true?
1.The equivalent capacitance is greater than any of the individual capacitances. 2.The largest voltage appears across the smallest capacitance. 3.The largest voltage appears across the largest capacitance. 4.The capacitor with the largest capacitance has the greatest charge. 5.The capacitor with the smallest capacitance has the smallest charge.
Because the Hubble constant has a value of 70 km/s/Mpc, a galaxy 50 Mpc away would have a recession velocity of _______________ km/s. (Round your answer to the nearest 1 km/s)
Fill in the blank(s) with correct word