Which statement about the Moon's solar month and sidereal month is correct?
A. The solar month is the same length as the sidereal month.
B. The solar month is more than two days longer than the sidereal month.
C. The solar month is more than two days shorter than the sidereal month.
D. The solar month is used in our calendars during the summer season while the sidereal month is used only during the winter season.
The solar month is more than two days longer than the sidereal month.
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a. True b. False Indicate whether the statement is true or false
Energy in Nuclear Reactions: A hypothetical particle has a mass of 510 MeV/c2. If such a particle at rest decays into two gamma-ray photons, what is the wavelength of each photon? (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
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A. 0.00200 m B. 0.0196 m C. 0.0816 m D. 0.800 m E. 0.200 m
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A. 8.2 m B. 15.8 m C. 13.5 m D. 11.0 m E. 4.9 m