What do radio waves and microwaves have in common?
a. both have shorter wavelengths than visi...
Physics, 26.01.2020 06:31 mexicanvanilla
What do radio waves and microwaves have in common?
a. both have shorter wavelengths than visible light.
b. both are located to the right of visible lights on the spectrum.
c. both have higher frequencies than visible light.
d. both are located next to visible light on the spectrum.
Answers: 1
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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The ability to make things happen is also called a. heat b. force c. matter d. energy
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What ia the energy of an object because of its potential and kinetic energies
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