Physics, 12.11.2020 20:40, salinasroel22
A tree leaf appears to be green. Which statement explains why the leaf isn't a blackbody radiator?
A. The leaf emits light but does not reflect it.
B. The leaf emits only blue and yellow light.
C. The leaf reflects light and does not emit it.
D. The leaf does not change temperature when it reflects light.
Answers: 1
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A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped
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Physics, 22.06.2019 11:10, cmflores3245
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 18:00, slugmilk1090
Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?
Answers: 1
A tree leaf appears to be green. Which statement explains why the leaf isn't a blackbody radiator?...
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