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Physics, 24.07.2019 06:30 sarahgarza5440
How long would it take a 4.50-kw motor to raise a 175-kg boiler to a platform 15.0 m above the floor?
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Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
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