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An AC generator produces a sinusoidal voltage at 60 Hz with amaximum of 120 V.a. What is the average voltage? b. What is the rms voltage? c. If it were a DC generator with the same maximum of 120 V,what would be the “rms” voltage?
Charge of uniform density (80 nC/m^3) is distributed throughout a hollow cylinder region formed by two coaxial cylindrical surfaces of radii 1.0 mm and 3.0 mm. Determine the magnitude of the electric field at a point which is 2.0 mm from the symmetry..
A water molecule floating in the air loses one electron, becoming an ion, What is the magnitude of the electric force between the electron and the water ion
Two identical parallel-plate capacitors, each with capacitance C, are charged to potential difference ?V and then disconnected from the battery. Find the potential difference across each capacitor after the plate separation is doubled
a force of 1250 N is used to push a piano up a ramp 12 m long to a height of 1.5 m above the ground. the piano weighs 7500 N. what is the work input and output
In an L-R-C series circuit, 310 ohm, 0.405 H, and 6.03×10-8 F. When the ac source operates at the resonance frequency of the circuit, What is the voltage amplitude of the source
A block of mass M hangs from a spring having spring constant k = 12 N/m and oscillates up and down with simple harmonic motion. What is the mass of the block
q1. a friend of yours is loudly singing a single note at 417 hz while racing toward you at 25.7 ms on a day when the
You and your surfing buddy are waiting to catch a wave a few hundred meters off the beach. The waves are conveniently sinusoidal, What is the frequency of the waves, Find the speed of the waves
It's your birthday, and to celebrate you're going to make your first bungee jump. How far are you above the water when the cord reaches its maximum elongation
During a severe storm in Palm Beach, Fla., on January 2, 1999, 33 inches of rain fell in a period of nine hours. estimate the average upward force exerted by one square meter of ground to stop the falling raindrops during the storm
The amount of 14C in an old, isolated sample of vegetation is 0.666 that expected from a present day sample with an equivalent carbon content
A trapeze artist performs an aerial maneuver. While in a tucked position, what is her rotational speed
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