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Carnot devices: A Carnot refrigerator has a coefficient of performance of 2.5. The refrigerator consumes 50 W of power. How much heat is removed from the interior of the refrigerator in 1 hour?
Q3: Vector (cross) product: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8274/.jpg" alt="Vector
Q19: Capacitors in combination: A 1.0-μF and a
Q28: Bernoulli's principle: A level pipe contains a
Q29: Current density: A certain fuse "blows" if
Q33: Current: In a certain electroplating process gold
Q37: Scalar (dot) product: Determine the scalar product
Q43: Addition and subtraction: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8274/.jpg" alt="Addition
Q43: Satellites: The International Space Station is orbiting
Q52: Bernoulli's principle: Consider a very small hole
Q53: Electric field in a wire: A silver