B. They are rearranged.
The First Law of Thermodynamics states that matter and energy can not be created or destroyed.
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The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific
Answer:
2000J
Explanation:
work done = force * distance
Work done = 100 * 20
Work done = 2000J