As shown in the video, Earth has two tidal bulges at all times. Approximately where are these bulges located?
Ans: One faces the Moon and one faces opposite the Moon.
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The second postulate of special relativity states that the speed of light, when measured in a vacuum, is constant for all observers
a. True b. False Indicate whether the statement is true or false
Harmonics
a. are components of a complex waveform. b. have frequencies that are integer multiples of the frequency of the complex waveform. c. are pure tones. d. have sinusoidal waveforms. e. all of the above
An object is undergoing simple harmonic motion of amplitude 2.3 m. If the maximum velocity of the object is 10 m/s, what is the object's angular frequency?
A) 4.3 rad/s B) 4.8 rad/s C) 3.5 rad/s D) 4.0 rad/s
Since the rest energy of an electron and its antiparticle a positron is 0.511 MeV, a gamma ray must have an energy larger than 1.022 MeV to produce an electron-positron pair
Indicate whether the statement is true or false