Escape

In physics, what is the escape velocity from Earth?

• 11.2 km/s

• 9.8 km/s

• 15 km/s

• 7.9 km/s

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NGSS.HS-PS2-4

Which of the following best describes the concept of escape velocity?

• The speed needed to break free from a gravitational field without further propulsion

• The speed needed to orbit a planet

• The speed needed to land on a planet

• The speed needed to travel between planets

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NGSS.HS-PS2-4

What is the escape velocity formula for a celestial body?

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NGSS.HS-PS2-4

Which planet in our solar system has the highest escape velocity?

• Jupiter

• Earth

• Mars

• Venus

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NGSS.HS-PS2-4

In the context of black holes, what does the term 'escape velocity' refer to?

• The speed needed to escape the event horizon

• The speed needed to escape the gravitational pull of a black hole

• The speed needed to orbit a black hole

• The speed needed to enter a black hole

Tags

NGSS.HS-PS2-4

How does the escape velocity of a planet relate to its mass and radius?

• Directly proportional to mass and inversely proportional to radius

• Inversely proportional to mass and directly proportional to radius

• Directly proportional to both mass and radius

• Inversely proportional to both mass and radius

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NGSS.HS-PS2-4

What happens to the escape velocity if the mass of a planet doubles, assuming the radius remains constant?

• It doubles

• It remains the same

• It halves

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NGSS.HS-PS2-4

If a spacecraft reaches escape velocity, what will happen to it?

• It will leave the gravitational field of the planet

• It will enter a stable orbit around the planet

• It will crash back to the planet

• It will hover above the planet

Tags

NGSS.HS-PS2-4

Which of the following is a real-world application of escape velocity?

• Launching satellites into space

• Calculating the speed of sound

• Measuring the speed of light

• Determining the boiling point of water

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NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the escape velocity from the Moon?

• 2.4 km/s

• 11.2 km/s

• 5.8 km/s

• 1.6 km/s

Tags

NGSS.HS-PS2-4