Question

The angles of elevation of an artificial earth satellite, as measured from two earth sta-
finns are on the same side of it are 30° and 60°. If the distance between the earth stations
is 4000 km, find the height of the satellite.​

Answer 1

Explanation:

Orbital velocity is related to the distance from Earth's centre as

v

1

v

2

=

r

2

r

1

⇒

r

2

r

1

=

v

1

2

v

2

2

⇒r

1

=r

2

×

v

1

2

v

2

2

=(6400+1600)×

1

2

2

2

=8000×4=32000 km