Physics, 25.07.2019 17:30 leahpartaka03
Which is the result of using a machine? a) the mechanical average makes the work output greater than the work input? b) the machine can put out force without having force applied to it c) a large force can be exerted through a long distance to have a small force exerted through a small force d) a large force can be exerted through a short distance to have a small force exerted through a long distance
Answers: 1
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The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
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Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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Which is the result of using a machine? a) the mechanical average makes the work output greater tha...
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