An artificial satellite of the earth moves at an altitude to 
km along a circular orbit. The velocity of the satellite is
a)
b)
c)
d)
An artificial satellite of the earth moves at an altitude to km along a circular orbit. The velocity of the satellite is
a)
b)
c)
d)
Question ID - 55036 | SaraNextGen Top Answer
An artificial satellite of the earth moves at an altitude to km along a circular orbit. The velocity of the satellite is
a)
b)
c)
d)
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An artificial satellite of the earth moves at an altitude to |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
For the satellite to move along closed orbit (a circle with a radius 
) it should be acted upon by a force directed towards the centre. In this case, this is the force of earth’s attraction. According to Newton’s Second law
At the earth’s surface, 
Therefore, 
127 votes
Answer Link
127