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Questions and Answers
Which one of these best describes the shape of the Earth?
Which one of these best describes the shape of the Earth?
- Perfect sphere
- Oblate spheroid (correct)
- Cuboid
- Ellipsoid
Which one of these statements about the Earth's circumference is true?
Which one of these statements about the Earth's circumference is true?
- The equatorial circumference is larger than the polar circumference (correct)
- The polar circumference is equal to the equatorial circumference
- The polar circumference is larger than the equatorial circumference
- The equatorial circumference is smaller than the polar circumference
How did Eratosthenes compute the Earth's circumference?
How did Eratosthenes compute the Earth's circumference?
- He measured the distance between Alexandria and Syene
- He measured the angle of the shadow at Alexandria
- He measured the angle of the shadow at Syene
- He used ratio and proportion (correct)
What is the value of the universal gravitational constant (G)?
What is the value of the universal gravitational constant (G)?
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What is the force of gravity between two objects proportional to, according to Newton's Universal Law of Gravitation?
What is the force of gravity between two objects proportional to, according to Newton's Universal Law of Gravitation?
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