How Long To Fall Through the Earth?

How Long To Fall Through the Earth?

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video explores the concept of falling through a hollow Earth, discussing how gravity changes as one falls. It explains a simplified model assuming uniform density and calculates the fall time as 42 minutes. Adjustments for Earth's varying density show a more accurate fall time of 38 minutes and 6 seconds. The video uses physics principles to explain these calculations.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How is the time to fall through the Earth calculated?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What assumptions are made about the Earth when calculating the fall time?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of gravitational attraction in relation to falling through the Earth.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the predicted time to fall through the Earth, and how does it compare to falling around the Earth?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the impact of the Earth's varying density on the fall time calculation.

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