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A satellite of mass 190 kilogram is launched from a site on Earth's equator into an orbit at 185 kilometer above the surface of Earth.
(a) Assuming a circular orbit, evaluate what is the orbital period of this satellite?
s
(b) Determine the satellite speed in its orbit?
m/s
(c) Find the minimum energy necessary to place the satellite in orbit, assuming no air friction?
J
How much work (in joules) is done in moving a charge of 2*10^-6 electrons from positive terminal of the battery to the negative terminal of a 12-Volt battery.
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In the Cavendish balance apparatus, suppose that m1=1.00 kg, m2= 20.0 kg, and the rod connecting each of the pairs of masses is 28.0cm long. find the magnitude of the net force on one of the small masses
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