AP Physics C Gravitation

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NGSS.HS-PS2-4

A comet moves in an elliptical orbit around the sun. Which of the following is a maximum when the comet is at its further distance from the Sun?

• Speed of the comet

• Acceleration of the comet

• Gravitational potential energy of the Sun-comet system

• Total energy of the Sun-comet system

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NGSS.HS-ESS1-4

Identical satellites X and Y of mass m are in circular orbit around a planet of mass M and radius R. Satellite X has an orbital radius of 3R, and Y has one of 3R. The kinetic energy of satellite X is K. What is the gravitational potential energy of the planet-satellite X system?

• -2K

• -K

• -K/2

• K/2

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NGSS.HS-PS2-4

Identical satellites X and Y of mass m are in circular orbit around a planet of mass M and radius R. Satellite X has an orbital radius of 3R, and Y has one of 3R. The kinetic energy of satellite X is K. What is the kinetic energy of satellite Y?

• K/4

• 3K/4

• K

• 4K/3

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Identical satellites X and Y of mass m are in circular orbit around a planet of mass M and radius R. Satellite X has an orbital radius of 3R, and Y has one of 3R. The kinetic energy of satellite X is K. Satellite X is moved to the same orbit as satellite Y by a force doing work. What is the work done on the satellite?

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NGSS.HS-ESS1-4

NGSS.HS-PS2-4

A projectile is launch from the surface of a planet with a mass M and radius R. What minimum launch speed if required if the projectile is to rise a height of 4R above the surface of the planet?

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

That’s no moon. That’s a massive rod in space of mass and length as shown in the diagram. The rod lies along the y-axis, with its center at the origin. A small point mass of mass m lies along the x-axis a distance of away. Which of the following expression would, when evaluated give the force of gravity between the two objects?

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Tags

NGSS.HS-PS2-4