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The pickup coil in an electric guitar contains 10,000 turnsand has a diameter of 2.1 mm. When thepickup coil is very close to a guitar string, there is a field ofmagnitude B = 0.09 T in thecoil. If this steel string is vibrating at a frequency of245 Hz, what is the approximate maximum emf induced in the coil? For simplicity, assume the inducedflux varies back and forth between zero and the value found whenB in the coil is at its maximum value (found when thestring is very close to touching the coil).
A drinking fountain projects water at an initial angle of 50 degrees above horizontal Water reaches maximum height of 0.150m above point of exit. Calculate gauge pressure in feeder pipe at this point
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
In proton-beam therapy, a high-energy beam of protonsis fired at a tumor. The protons come to rest in the tumor,depositing their kinetic energy and breaking apart thetumor’s DNA, thus killing its cells. For one patient, it isdesired that 0.10 J of pr..
A 7.0 kg box is raised from rest adistance of 1.0 m by a vertical forceof 120 N. Find the final kinetic energy of the box
(a) What is the rate of energy radiation per unit area of a blackbody at a temperature of 294 K. (b) What is the rate of energy radiation per unit area of a blackbody at a temperature of 2940 K
A long thin rod of mass M = 2 kg and length L = 75 cm is free to rotate about its center as shown. Two identical masses (each of mass m = 0.853 kg) slide without friction along the rod. how fast is the rod rotating
If the particle is sent back through the magnetic field (along the same initial path) but with 1.66 times its previous kinetic energy, how much time does it spend in the field during this trip
A wire has a length of 7.26 × 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
For the transmutation reaction 1H + 93Y -> ___ + 4He, What is the element abbreviation of the daughter atom
a small wooden block with mass 0.900 is suspended from the lower end of a light cord that is 1.76 long. the block is
An electron with a speed of 5.74 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.62 × 103 N/C, how much time will have elapsed
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, Determine the value of z0
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