Introductory Quiz

Introductory Quiz - 1. A satellite is in a circular orbit...

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1. A satellite is in a circular orbit around the Earth. There is no air resistance. Which of the following statements is true? A. There is only one force acting on the satellite. B. There are two forces acting on the satellite, and their resultant is zero. C. There are two forces acting on the satellite, and their resultant is not zero. D. There are three forces acting on the satellite. E. None of the preceding statements are correct. 2. Two identical planets orbit a star in concentric circular orbits. Of the two, the planet that is farther from the star must have A. the smaller period. B. the greater period. C. the smaller mass. D. the greater mass. E. the larger gravitation constant. 3. Satellite A has twice the mass of satellite T, and has the same orbital radius. The speed of T is _______________ the speed of A. A. twice B. half C. one-fourth D. equal to E. four times 4. An astronaut is inside a space capsule in orbit around the earth. The earth's gravity causes the space capsule to move in a circle around the
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Introductory Quiz - 1. A satellite is in a circular orbit...

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