Physics, 26.07.2019 09:30 charlotte67
An arc welder provides 250a of current when operating with a voltage of 40v. what is the power required by this welder? explain your answer.
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
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How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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An arc welder provides 250a of current when operating with a voltage of 40v. what is the power requi...
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