Physics, 15.04.2020 00:43, aaronr7383
A pulsar is a type of rotating neutron star that emits a beam of electromagnetic radiation. Imagine a pulsar that is moving toward Earth at a speed of 704.500 km/s. It emits mostly radio waves with a wavelength (at the source) of 133.500 cm. What is the observed wavelength of this radiation on Earth
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Physics, 21.06.2019 23:30, xxxamslashxxx9
If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)
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Physics, 22.06.2019 14:00, 6224968918
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 19:30, paigehixson342
Coal contains energy. a. light b. kinetic c. chemical d. mechanical
Answers: 1
A pulsar is a type of rotating neutron star that emits a beam of electromagnetic radiation. Imagine...
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