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Circular Motion and Gravitation — Test Answers

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The acceleration due to gravity on Mercury is 3 point 7 the fraction with numerator m and denominator s squared , which is about six times the acceleration due to gravity on Pluto. Which statement accurately compares the mass and weight of an object on these two planets?

A
An object weighs the same but has about one-sixth the mass on Pluto as on Mercury.
B
An object weighs about one-sixth as much but has the same mass on Pluto as on Mercury.
C
An object weighs about one-sixth as much and has about one-sixth the mass on Pluto as on Mercury.
D
An object weighs the same and has the same mass on Pluto as on Mercury.
22
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Question text not available

Answer:

area

23

Question text not available

Answer:

inversely

24

A group of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s Which best explains why the object will not successfully orbit Earth?

A
The object is traveling too fast to match Earth’s curvature.
B
The object is not traveling fast enough to match Earth’s curvature.
C
There is not enough air resistance to keep the object moving.
D
There is not enough friction to keep the object moving.
25

Question text not available

Answer:

rotation

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