A Satellite Is Held in Orbit by a 2 000-N

question 35

Multiple Choice

A satellite is held in orbit by a 2 000-N gravitational force.Each time the satellite completes an orbit of circumference 80 000 km,the work done on it by gravity is:

• A)1.6 ´ 10⁸ J.
• B)1.6 ´ 10¹¹ J.
• C)6.4 ´ 10¹¹ J.
• D)0.

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