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.
(c) find the period of the orbit of each star.
(d) how much energy would be required to separate the two stars to infinity?
Answers: 3
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The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
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The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has ra...
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