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A steel wire with mass 29 g and length 1.23 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. (a) Compute the linear density of the string. kg/m (b) What velocity wave on the string will produce the desired fundamental frequency of the E1 string, 45.29 Hz? m/s (c) Calculate the tension required to obtain the proper frequency. N (d) Calculate the wavelength of the string's vibration. m (e) What is the wavelength of the sound produced in air? (Assume the speed of sound in air is 343 m/s.) m
Calculate the gyrofrequency of an electron in Earth's magnetic field, having a value of ~ 35 A-m-1. Determine the electron density values required to produce a zero refractive index for the case of propagation parllel to Earth's magnetic field at a f..
a family wishes to purchase a heat pump for their home. The get-it-cheap co. sells a heat pump that has an operating performance 38% of the coefficient of performance of an ideal Carnot heat pump. Compute the overall coefficient of performance for ..
A 3400 resistor and a 1.6 µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power dissipated in the circuit
A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms, What is the new rotation rate
100 kg of water is raised to a height of 50m.the water is used to produce electricity.the electricity produced can run three 100w lamps for 1 hour. what is the efficiency?
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, What is the total horizontal force on the driver if the speed on the same curve is 23.7 m/s instead
A long solenoid of r =1cm and lnght l=1m is inserted into another long solenoid of radius r=3cm, Find the mutual inductance of the two solenoids
If we assume uniform acceleration for both horses between A and C, find out the distance from A enough B.
A piece of wood is 0.600m long, 0.280m wide, and 7.00×10?2m thick. What is the mass of this volume of lead
A partly-full paint can has 0.20 gallons of paint left in it. If all the remaining paint is used to coat a wall evenly (wall area = 18 m2), how thick is the layer of wet paint
A 170 g ball attached to a spring with spring constant 2.1 N/m oscillates horizontally on a frictionless table. Its velocity is 22 cm/s when xo= 4.3 cm. What is the ball's position when the acceleration is maximum
A small steel sphere of mass 0.40kg is attached by a 5.0m long cord to a swivel pin set into the surface of a frictionless table top. What is the magnitude of the centripetal accerleration of the sphere
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