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a) In a certain RLC circuit, the RMS current is 6.51 A, the RMS voltage is 223 V, and the current leads the voltage by 50.5°. What is the total resistance of the circuit?
b) Calculate the total reactance X = (XL - XC) in the circuit.
c) Calculate the average power dissipated in the circuit.
A Carnot engine absorbs 950J of heat each cycle and provides 340J of work. How much heat is rejected each cycle
A 390 g glass coffee cup is at a room temperature of 20?C. It is then plunged into hot dishwater at 80 ?C. how much heat does the cup absorb
Suppose the skin temperature of a naked person is 34.3 °C when the person is standing inside a room whose temperature is 21.3 °C. Assuming the emissivity is 0.673, find the net loss of radiant power from the body
The surface charge density on an infinite sheet is -2.0 x 10-6 coulomb. How far does the particle travel before reaching its turning point
A flywheel turns through 26 rev as it slows from an angular speed of 1.3 rad/s to a stop. What is its angular acceleration
The two identical pucks with masses of 300.0 g, in the figure rotate together on a frictionless, horizontal table. What is the tension in the second string
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
An explosion breaks an object originally at rest into two fragments. One fragment acquires twice the kinetic energy of the other. What is the ratio of their masses
Heather and Jerry are standing on a bridge 45m above a river. Heather throws a rock straight down with a speed of 19m/s. Jerry, at exactly the same instant of time, throws a rock straight up with the same speed. Overlook air resistance. How much t..
A stopping car comes to a skidding stop after 5 m. If the road exerts a force of 600 N opposite to the direction of the motion: how much work does the road do on the car
What is the velocity of the boat when it reaches the buoy.
A 100kg elevator starts from rest. It moves upward for 4s with constant acceleration until it reaches its crusing speed of 2 m/s. What is the average power of the elevator during this time interval
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