For Questions 21 to 22, indicate whether the statement is True or False. Give an explanation.
21. When a gas filled in a cylinder fitted with a movable piston is allowed to expand, the
work done by the gas is positive.
22. When a body is lifted, the work done by the gravitational force is positive.
Answers: 1
Geography, 23.06.2019 06:00, hamadehassan
Physical features of central america look at the map above which of the following is true
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For Questions 21 to 22, indicate whether the statement is True or False. Give an explanation.
21. W...
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