Estimate the tension of a string which vibrates at 350 Hz when the string length is 75 cm and mass is 2.5 g.
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- A low C (f = 65Hz) is sounded on a piano. If the length of the piano wire is 2.0 m and its mass density is 5.0 g/m2, determine the tension of the wire.The wave speed on a string is 150 m/s when the tension is 78.0 N . What tension will give a speed of 185 m/s ?A speaker-driver supplies W watts of power to waves traveling on an elastic sheet. As these waves travel outward in circular ripples, the intensity of the wave at a radius of 10 cm. is 5 W/cm. The power emitted by the source is
- If the vocal tract of a human is considered a closed tube 17 cm in length, what is the frequency of what would become the second harmonic? Consider 340 m/s as the speed of sound. The answer must be in Hz units.Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). The P-waves have a speed of about 6 km/s. Estimate the average bulk modulus of Earth's crust given that the density of rock is about 2,800 kg/m3.A steel piano wire is 82.0 cm long and has a mass of 2.80 g. If the tension of the wire is 590 N, what is the sixth harmonic frequency?
- A sound wave with a frequency of 9800 Hz travels along a copper pipe. If thewavelength is 0.370 m and the density of copper is 8.9 x 10^3 kg/m^3, what is the elastic modulus of copper?A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 276.0 Hz. The tuner hears 8.00 beats per second. The tuner increases the tension on the as-yet unturned string, and now when they are played together the beat frequency is 1.00 s. By what percentage did the tuner increase the tension on that string? 5.008A low C(f =65Hz) is sounded on a piano. If the length of the piano wire is is 2.0m and mass density is 5.0g/m2 , determine the tension of the wire