For a satellite to be in a circular orbit 590 km above the surface of the earth, what orbital speed must it be given? express your answer with the appropriate units.
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Ответ:
7.57 km/s
Explanation:
The gravitational force on the satellite provides the centripetal force that keeps the satellite in circular orbit, so we can write:
where
G is the gravitational constant
m is the satellite's mass
r = R+h is the distance of the satellite from the Earth's centre, where:
v is the orbital speed of the satellite
Solving the equation for v, we find
Ответ:
Obesity is a complex disease caused by an excess amount of fat in the body. Obesity is not only a cosmetic issue. This condition increases the risk of other diseases and health problems, such as heart disease, diabetes, high blood pressure, and certain types of cancer.
Explanation: