Why can't the expression U = mgh be used to determine the gravitational potential energy of an earth-weather satellite system in geosynchronous orbit 35.8 km above the earth?

The value of g is different at the earth's surface at the satellite's location

The satellite's orbital period is twice that of the earth's rotational period

The satellite is moving at a great speed.

the value of g is the same at the earth's surface and at the satellite's location

The value of g is always positive

An ice skater extends her 0.5 m arms out and begins to spin. Then she brings her arms back to her chest. Which statement is true in this scenario?

her angular acceleration decreases

her moment of inertia increases

Review AP Physics C

Quiz

•

Physics

•

11th - 12th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS2-1, HS-PS3-1, HS-PS2-4

+3

Standards-aligned

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A

B

C

D

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sphere rolls from rest down an inclined plane.

B

C

D

E

Tags

NGSS.HS-PS2-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

B

C

D

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A simple pendulum has a period of 2 s.

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A

C

D

E

Tags

NGSS.HS-PS3-1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A

B

C

D

Tags

NGSS.HS-PS2-1

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