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Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Physics, 22.06.2019 08:30
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
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Physics, 22.06.2019 11:30
Which accounts for an increase in the temperature of a gas that is kept a constant volume
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Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
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Name two kinds of practical electric pumps....
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