Civil Engineering - Applied Mechanics - Discussion


A satellite is said to move in a synchronous orbit if it moves at an altitude of 36, 000 km with a maximum velocity of about

[A]. 7000 km per hour
[B]. 8000 km per hour
[C]. 9000 km per hour
[D]. 10, 000 per hour
[E]. 11, 000 km per hour.

Answer: Option E


No answer description available for this question.

Ruturaj Patil said: (Aug 27, 2018)  
How to solve this?

Twinkle Vinu said: (Apr 13, 2019)  
Distance to be covered by the satellite = (equitorial radius of earth + 36000)* 2π.
Time for covering this distance = 24 hrs (geosynchronous satellite),
Required velocity= distance/ time = 11000 km/h approx.

Jinish Patel said: (Dec 10, 2019)  
A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period (24 hours). Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky so T=24 hours.

Distance covered by any satellite = (radius of the earth+traveling distance by satellite)*2*3.14.
=(6,371 km+36000)x2x3.14.
=266089.88 km.
Velocity= distance/time.
= 266089/24.
= 11,087 km/hr.

Says 11000 km/hr.

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