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An electric heater is rated at 1750 W, a toaster at 750 W, and an electric grill at 1250 W. The three appliances are connected to a common 120 V household circuit. (a) How much current does each draw? A (heater) A (toaster) A (grill) (b) Is a circuit with a 33 A circuit breaker sufficient in this situation? Explain your answer.
A 1000kg car traveling at a speed of 40m/s skids to a halt on wet concrete where the friction force is 6000N
A metal rod is forced to move with constant velocityv along two parallel metal rails, If the rod hasa resistance of 18.0 Ω and the rails and connector havenegligible resistance, what is the current in the rod
the block diagram of the control of an electric heating system. the heater is driven from a voltage-controlled power
question why is it that a grow-lamp tube has an apparent color temperature of 5500 k and is cool to the touch. however
An electron beam is deflected upward through a 3.0 mm whiletraveling in a vacuum between two deflection plates 12.0 mm apart. What is the kinetic energy of each electron
A diver releases an air bubble of volume 2.0cm3from a depth of 16m below the surface of a lake, What is the volume of the bubble when it reaches just below the surface of the lake
Argon gas enters an adiabatic turbine steadily at 1600kPa and 450 degrees Celsius with a velocity of 55m/s and leaves at 150 kPa with a velocity of 150m/s. determine the exit temperature of the argon
Consider a series RLC circuit with R = 15 , L = 196 mH, C = 75 µF, and a maximum voltage of 148 V. What is the impedance of the circuit at resonance
A person sees a heavy stone strike the concrete pavement. A, moment later two sounds are heard from the impact: How far away did the impact occur
A woman is reported to have fallen113ft from a building, landing on a metal ventilator box, which she crushed to a depth of25in. Calculate the time it took to crush the box
A family ice show is held at an enclosed arena. The skaters perform to music with level 85.0 dB. What is the combined sound level
Two small charged balls have a repulsive force of 0.18N when they are separated by a distance of 0.85m. How far apart are they now
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