A satellite orbits the Earth at a height of 100km above the surface, at a velocity of 7,850m/s. How many hours does it take to complete 1 revolution around the Earth?
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we know that v=d/t
d= 100×1000=100000
v=7850 m/s
t= d/v= 100000m/7850m/s=12.73s
required time taken to complete one revolution= ( 12.73/60 )h= .21h
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