At which lunar phase(s) are tides least pronounced (e.g., the lowest high tides)?
A) first quarter
B) new Moon
C) full Moon
D) both new and full Moons
E) both first and third quarters
E) both first and third quarters
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The value 1.38 × 10^-23 J/K is known as:
a. the universal gas constant. c. Avogadro's number. b. Boltzmann's constant. d. the molar specific.
On the main sequence on an H-R diagram, our Sun lies at about ________
Fill in the blank(s) with correct word
If we double the frequency of a system undergoing simple harmonic motion, which of the following statements about that system are true? (There could be more than one correct choice.)
A) The amplitude is doubled. B) The angular frequency is reduced to one-half of what it was. C) The period is doubled. D) The period is reduced to one-half of what it was. E) The angular frequency is doubled.
Complete destructive interference occurs for two waves of the same amplitude and frequency when the waves are ______________ degrees out of phase
Fill in the blank(s) with correct word