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Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. These are called geosynchronous orbits. The radius of the earth is 6.37 x 10^6 m , and the altitude of a geosynchronous orbit is 3.58 x 10^7 m ( approx. 22000 miles).
a. What is the speed of a satellite in a geosynchronous orbit?
b. What is the magnitude of the acceleration of a satellite in a geosynchronous orbit?
In January from Indiana, Andromeda is high in the sky at 6pm local time. (Note that local time is about 40 minutes later than Eastern Standard Time, because Indiana is on the far western end of the time zone. The sun is at its highest point in the..
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Calculate the total amount of energy that flows into the space between the capacitor plates from to , by first integrating the Pointing vector over the surface that connects the edges of the two circular plates, and then integrating over time.
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Two charges q1 = 1.1 10-8 C and q2 = -4.8q1 are placed 50 cm apart. Find the point along the straight line passing by the two charges at which the electric field is zero, as measured from q1.
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Two wires of the same cross-sectional area and length, but made of different materials, are connected in series. what is the resistivity of the other material
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