Joint and Combined Variation

Question 1

• A larger planet mass, m1, F, the gravitational force between the planet and its moon.

Revolt · Accepted Answer

A: increases

Question 2

Question 2

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D:

Question 3

F = × 10^ N

Revolt · Accepted Answer

Part 1: 6.67; Part 2: 20

Question 4

The approximate mass of Earth is kg. The sun’s mass is approximately kg. They are approximately m apart. Use the equation to compute the gravitational force, F, between them. (Remember, ).

Revolt · Accepted Answer

B: N

Question 5

• A larger moon mass, m2, F, the gravitational force between the planet and its moon.

Revolt · Accepted Answer

A: increases

Question 6

Question 6

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20

Question 7

• A greater distance, d, F, the gravitational force between the planet and its moon.

Revolt · Accepted Answer

B: decreases

Question 8

Substitute these values in the combined variation equation F = G m1m2 d2 Then, solve for G: × 10^ N m2 kg2

Revolt · Accepted Answer

Part 1: 6.67; Part 2: -11

Question 9

Question 9

Revolt · Accepted Answer

-11

Joint and Combined Variation Answers

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