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The primary coil of a transformer has N1 = 1.50 102 turns, and its secondary coil has N2 = 5.00 101 turns. If the input voltage across the primary coil is ?v = (110 V) sin ?t, what rms voltage is developed across the secondary coil?
A cell phone battery uses chemistry to create a charge separation between the terminals (anode and cathode). How many free electrons does the battery contain
A train has a mass of 5.22 ? 106 kg and is moving at 79.0 km/h. The engineer applies the brakes, What is the final speed of the train
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field
An AC generator has an output rms voltage of 58 V at a frequency of 76 Hz. If the generator is connected across a 30 mH inductor, find the inductive reactance
Two bumper cars are driving directly toward one another. The first car, mass m1 = 150 kg, What is the total momentum of the system
A block (m=.75kg) is released from the top of a frictionless inclineed plane that has a height of 1.5m, How much energy was lost in the collision
A toy of mass 0.145kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 300N/m . When the object is a distance 1.15×10-2m from its equilibrium position
A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 124 m. Explain how fast is she going when she reaches the bottom?
A generator has a 170-turn square coil, 4cm on a side. Find the peak emf in this coil when it's rotating at 95.0Hz in a strong 6.1T field
An RLC circuit has a resistor of 300 W, a 1.0 µF capacitor, and an inductor of 450 mH connected to an alternate power source with a voltage, calculate the rms current flowing through the circuit
One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential, What is the potential of the second plate
An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.70 multiply.gif 10-28 kg, what is the speed of the heavier fragment
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