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Flashcards in Chapter 7&8 Deck (8)
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1

The farther apart objects are?

The weaker their attraction

2

Why does the moon exert a greater gravitational pull on the tides?

It's closer

3

Projectiles thrown at what degree travel the farthest?

45

4

How do objects have to be traveling for air drag to affect them?

At very high speeds

5

What does horizontal speed have no effect on?

Downward acceleration due to gravity

6

How high do most satellites orbit above the Earths surface to be above its atmosphere?

150km

7

The higher the orbit of a satellite, what happens to its speed at period?

Speed decreases, period becomes longer

8

The greater the masses of objects are the greater their what?

Attraction