1. The concept of free-falling objects applies to 2. What Newton discovered abou
ID: 1449571 • Letter: 1
Question
1. The concept of free-falling objects applies to
2. What Newton discovered about gravity was that it
3. When a projectile achieves escape speed from Earth, it
4. The potential energy of a satellite in a circular orbit is
5. A ball rolling along a bowling alley maintains its speed because
6. A satellite in elliptical orbit about Earth travels slowest when it moves
D. between the near and far points from Earth.
7. The force of gravity between two planets depends on
8. If you drop a ball it will fall 5 m in the first second of fall. If you instead toss it sideways, in 1 second it wil fall beneath its straight-line path a vertical distance of
9. The path of a satellite in near-Earth circular orbit is
A. apples.Explanation / Answer
1.A
2.D
3.B
4.A
5.A
6.B
7.A
8.C
9.A
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