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Physics, 21.06.2019 22:30
The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
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Physics, 22.06.2019 04:40
How is the gravitational force related to the distance between two objects?
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Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
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Physics, 22.06.2019 08:30
If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.
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The power in a lightbulb is given by the equation p=i^2 r, where i is the current flowing through th...
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