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agasfer [191]
3 years ago
9

Columnar joints form when ________.

Physics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

b. during the final stages of cooling, a lava flow contracts, forming tall polygonal fractures

Explanation:

The columnar joints are very interesting and attractive for the eye geological features. They are not very common feature which makes them even more interesting. Some of them have been covered by sediments so they are hidden below the surface, but some have remained above the surface, sticking out as the erosion acts much slower on them than the surrounding area. They form when the lava cools off very quickly at its final stages, thus starting to contract, and instead of being smooth, they become polygonal fractures that are very tall.

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An 80.0 kg hiker walks a distance of 400.0 m along a road that slopes 5.0 degrees upward, and then stops. What is the hiker's fi
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A pendulum is raised to a height of 0.3m above its lowest point and released. What is the velocity of the pendulum at its lowest
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Answer:

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Explanation:

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lowest point

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6 0
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An archer pulls her bowstring back 0.396 m by exerting a force that increases uniformly from zero to 237 N. (a) What is the equi
tatyana61 [14]

Answer:

(a) The equivalent spring constant is 598.485 N/m

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From Hooke's law of elasticity

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