Select all answers that apply.
which of the following words or phrases describe weather conditi...
Physics, 26.09.2019 09:30 jackandryansis8572
Select all answers that apply.
which of the following words or phrases describe weather conditions?
a. less predictable
b. long term
c. always changing
d. expected
e. day-to-day
Answers: 2
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The lights used by mark watley (played by matt damon) during the film the martian seem to be metal halide lamps. metal halide lamps are filled with vaporized mercury and metal-halogen compounds. when an electric current is passed through the lamp, the tube begins to glow a bright white/blue color. if you were to pass this light through a prism to separate the individual light frequencies, you would see a rainbow just as you would if using natural sunlight because of the complexity of the metal halide gas and the vast amount of possible electron transitions. (the study of light in this way is known as spectroscopy and allows astronomers to know exactly what atoms compose distant stars, simply by looking at the light they emit. the spectral lines an atom produces uniquely identifies that atom just like a fingerprint uniquely identifies a person. the momentum equation and energy equation that we have used above can be combined to give the following equation: c = e p where again p is the phonon momentum, e is the photon energy and c is the speed of light. when you divide the photon energy found in #6 by the photon momentum found in #4, do you get the speed of light? (if not, check your work for questions #4 through #6). yes no
Answers: 2
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Answers: 2
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When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
Answers: 2
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