There are many geostationary satellites above the earth (as a sphere with uniform mass distribution), which of the following statements is correct________
A. their quality may vary
B. The magnitude of their speed may vary
C. Their centripetal accelerations may be different in magnitude
D. They may be at different distances from the center of the earth
Answer:A
There are many geostationary satellites above the earth (as a sphere with uniform mass distribution), which of the following statements is correct________
A. their quality may vary B. The magnitude of their speed may vary C. Their centripetal accelerations may be different in magnitude D. They may be at different distances from the center of the earth