Physics, 21.08.2019 01:20 Thalassenosmichaelle
Sitting on a deserted beach one evening you watch as the last bit of the sun approaches the horizon. just before the sun disappears from sight, the top of the sun is actually located: a) above the horizon b) below the horizon c) exactly at the horizon
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Physics, 22.06.2019 03:00
Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx
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Physics, 22.06.2019 09:30
The necleus of an atom is made up of what subatomic particles?
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Physics, 22.06.2019 13:40
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 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
Sitting on a deserted beach one evening you watch as the last bit of the sun approaches the horizon....
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