9. Gulil 116841 K-0370 KI.
A satellite of mass 1000 kg is to be placed in a circular orbit at a height
210 km above the Earth's surface, where g = 9.2 m/s2. Tangential speed of the
satellite in its orbit is. ..... m/s. Earth's radius R = 6370 km.
(A) 77800
(B) 778
(C) 77.8
(D) 7780
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Answer:PHYSICS
A satellite of mass 1000kg is supposed to orbit the earth at a height of 2000km above the earth's surface. Find its speed in the orbit.
January 17, 2020avatar
Jasleen Ilyas
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ANSWER
From Newton's second law,
r
2
GMm
=
r
mv
2
v=
r
GM
=
R+h
GM
=
R+h
gR
2
=
6400000+2000000
(9.8)(6400000)
2
=
8400000
9.8(6400000)
2
=6.9km/s
Asnwer is 6.9km/s
Explanation:
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