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The fundamental frequencies from a guitar string and a 440 Hertz tuning fork give three beats per sec. Slightly loosening the guitar string causes its fundamental frequency to decrease and the beat frequency to increase. Compute the fundamental frequency of the guitar string before it was loosened slightly.
Using Lorentz Law: You are given a charge moving between two parallel plates. Find the current (I) of a loop given a straight wire
A balloon filled with dyed water is placed in a pouch attached to the hose, which is then stretched through the width of the room. Assume that the stretching of the hose obeys Hooke's law with a spring constant of 53.0 N/m.
at least Each pulse produced by an argon-fluoride excimer laser used in PRK and LASIK ophthalmic surgery lasts only 10.0 ns but delivers an energy of 2.05 mJ. What is the power produced during each pulse
find the work done to move the particle from x = 0 to x = 10.0 m by graphically determining the area under the F versus x graph. (Do this on paper. Your instructor may ask you to turn in this graph.)
A +5.8 µC charge is placed at the origin and a -3.9 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed
Heat Q flows spontaneously from a reservoir at 445 K into a reservoir at 265 K. Because of the spontaneous flow, 2620 J of energy is rendered unavailable for work when a Carnot engine operates between the reservoir at 265 K and a reservoir at 248 K. ..
A 515 gram ball swings in a vertical circle at the end of a 2.9 meter long string. Find the speed of the ball at that point
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if total amount of nitrogen is 1100 mol.
A cylinder contains 1.85 mol of helium gas at 18.5°C. Assume that the helium behaves like an ideal gas. What is the average kinetic energy per molecule
A 640- hollow ball 19 in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 What is the torsional constant of the wire
The total impedance of an RC circuit with a resistance of 200 ? is 1060 ?. If the frequency of the applied voltage is 20.0 Hz, what is the value of the capacitance in this circuit
The mean lifetime of muons in their rest frame is 2.20 ?s. What is the mean distance traveled before it decays
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