Volcanism is more likely on a planet that

A) is closer to the Sun.
B) is struck often by meteors and solar system debris.
C) has high internal temperature.
D) doesn't have an atmosphere or oceans.


C) has high internal temperature.

Physics & Space Science

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Newton's law of gravitation applies to all ______________

Fill in the blank(s) with correct word

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Planet Zero has a mass of 5.0 × 10^23 kg and a radius of 2.0 × 10^6 m. A space probe is launched vertically from the surface of Zero with an initial speed of 4.0 km/s. What is the speed of the probe when it is 3.0 × 10^6 m from Zero's center?

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A small ball is released from rest at position A and rolls down a vertical circular track under the influence of gravity as depicted below

Physics & Space Science