A 2-kg mass that weighs 20 N has 40 J of potential energy relative to the ground. What is its height?

A. 1 m.
B. 2 m.
C. 3 m.
D. 4 m.


Answer: B

Environmental & Atmospheric Sciences

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Most of Madagascar's native species exist only on Madagascar because the island

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A lava flow is an example of an effusive volcanic eruption

Indicate whether the statement is true or false

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Which of the following is not an example of a dripstone?

A) stalagmite B) stalactite C) cockpits D) soda straw

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