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If a simple machine reduces the strength of a force, what must be increased?
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Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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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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The total amount of energy in a closed system stays the same. t/f...
Mathematics, 15.07.2020 01:01
Mathematics, 15.07.2020 01:01