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The pickup coil in an electric guitar contains 10,000 turns and hasa diameter of 1.6 mm. When the pickupcoil is very close to a guitar string, there is a field ofmagnitude B = 0.14 T in thecoil. If this steel string is vibrating at a frequency of190 Hz, what is the approximate maximum emf induced in the coil? For simplicity, assume the induced flux varies back and forth between zero and the value found whenB in the coil is at its maximum value (found when the string is very close to touching the coil).
A 495-? resistor, an uncharged 1.50-µF capacitor, and a battery with an emf of 6.21 V are connected in series. What is the current after one time constant
You are lowering two boxes, one on the top of the other, down the ramp by pulling on a rope parallel to the surface of the ramp.
An uncharged nonconductive hollow sphere of radius 11.0 cm surrounds a 16.0 µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Calculate..
a dock worker applies a constant horizontal force of 76.0 n to a block of ice on a smooth horizontal floor. the
Two children with masses of 24 and 31 kg are sitting on a balanced seesaw. If the lighter child is sitting 3 m from the center, where is the heavier child sitting
design a crane that will sit on a boat and drop a 1meter by 1 meter by 1 meter box to pick up 10cm steel balls. we need
a ball has a mass of 0.5kg. dropped from a cliff top the ball hits the sea below at a speed of 10.s.a what is the
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
A beam of 8.36 MeV protons is incident on a target of 2713Al. Those protons that collide produce the reaction shown below. determine the kinetic energy of the emerging
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 7.30 m to a store. At what angle is the escalator inclined above the horizontal
Starting from one oasis, a camel walks 25 km in a direction 30 degrees south of west and then walks 30 km toward the north to a second oasis
the temperature in an electric oven is 192 degc. the temperature at the outer surface in the kitchen is 35.1 degc. the
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