Velocity Addition: From the Earth, the Earthlings see the Enterprise approaching from the west at 0.800c and the Klingons approaching from the east at 0.900c. What speed, in terms of the speed of light, does the crew of the Enterprise measure for the Klingon ship?
Fill in the blank(s) with the appropriate word(s).
0.988c
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What will be an ideal response?
The solar constant is a measure of:
A) the energy received by the Sun on Earth's surface. B) the energy received by the Sun at the location of Earth. C) the energy received by the Sun at any location in the solar system. D) the energy emitted by the Sun at the photosphere. E) the total energy emitted by the Sun in all directions.
How do scientists determine the age of fossils?
A) They only determine relative ages by assuming that deeper layers of sedimentary rock are older. B) They use radiometric dating to measure the age of the surrounding rocks. C) They cannot.
Tripling the frequency of a photon would ______________ its energy
Fill in the blank(s) with correct word