According to the geocentric theory, all the astronomical bodies like the moon, the sun and stars revolve around the earth, and the earth is at the centre of the universe.
At what rate the energy should be supplied to the satellite to keep it in orbit?
Zero.
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The position co-ordinates of two particles of masses m1 and m2are (x1, y1, z1) and (x2, y2, z2) respectively. Find the coordinates of the centre of mass.
The position vectors of masses m1 and m2 are respectively,
Let the position coordinates of the centre of mass be (X, Y, Z).
Therefore the position vector of centre of mass is,
Since,
Comparing the coefficients of , we get
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What is the time period of geostationary satellite?
24 hours.
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What is Heliocentric theory?
According to the Heliocentric theory, the sun is at the centre and various planets revolve around the sun at their axis.