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A series RLC circuit has a peak current of 2 A with a frequency of 22 kHz. If the resistance of the circuit is 60 kΩ, the capacitance of the circuit is 15 μF, and the inductance of the circuit is 21 mH, determine the average power of the circuit over one cycle.
In each cycle of its operation, a refrigerator removes 10 J of heat from the inside of the refrigerator and releases 38 J of heat into the room. How much work per cycle is needed to operate this refrigerator.
Equipotential surface A has a potential of 5650 V, while equipotential surface B has a potential of 7850 V. How much work is done by the outside force in moving the particle from A to B
A toy car starts with some initial velocity and rolls down a ramp inclined at an angle of 15°. It reaches the bottom 1.6 s later. What was its initial velocity
A 600 kg piano is being lowered into position by a crane while two people steady it with ropes pulling to the sides. Bob's rope pulls to the left, What is the tension in the vertical main cable
An ambulance with a sirenemitting a whine at 1730 Hz overtakes and passes a cyclist pedalinga bike at 2.3 m/s. How fast is the ambulance moving
A pendulum of period 2s is released from rest at an inclination of 5 degrees to the (downward) vertical. Find it's subsequent angular position as a function of time
A spring with spring constant 36N/m is attached to the ceiling, and a 5.1-cm-diameter, 1.3kg metal cylinder is attached to its lower end. what length of the cylinder is submerged
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
A person's hand holds a liter of milk while his arm is bent at the elbow in a 90o angle. Estimate the torque caused by the milk on his arm about the elbow joint. Assume the distance between the center of his hand and his elbow joint is 0.33 m.
A soccer player kicks the ball toward a goal that is 37.0 m in front of him. The ball leaves his foot at a speed of 28.8 m/s and an angle of 76.4 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.
A starcruiser, measured by its passengers to be 80.0m long, whizzes by an Earthling at speed 0.992c. What length does the Earthling measure the ship's length to be
you are swinging your younger sister in a horizontal circle of radius 0.65 m. her mass is 21 kg and you arrange it so
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