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Strike441 [17]
3 years ago
15

How could you increase the potential energy of the roller coaster shown below?

Social Studies
2 answers:
sammy [17]3 years ago
7 0
Choice a and b
a; if the hiss is longer it lets the cart gain more energy and speed
b; the heavier the car, the faster it falls cause of gravitational pull
gayaneshka [121]3 years ago
7 0

Choice A and B is the correct answer. ^^^ Was correct

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Answer:

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d) operational definition.

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Sorry this is late but the answer is c.
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Which social class lives at or below the poverty line?
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This social class can often be called the "working poor". This group may also be called the "lower" or "under" class. The majority of the working poor work in service jobs, like waiters or waitress, unskilled labor positions, farmers or maids and other minimum wage positions with two or three jobs that have little to no extra benefits. The majority are also relatively uneducated, with less than 50% graduating high school.
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