The speed of a transverse wave along a úniform metal wire, when it is under a tension of 1000 g wt. Is 68 m/s. If the density of metal is 7900 kg/m³. Find the area of cross section of the wire.
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- In a liquid with a density of 1100 kg/m3, longitudinal waves with a frequency of 370 Hz are found to have a wavelength of 7.50 m. Calculate the bulk modulus of the liquid. Express your answer in pascals.A nylon rope of length 12m is under a tension of 1.7 × 104 N. The total mass of this rope is 2.4 kg. If a wave pulse starts at one end of this rope, find its speed. Calculate to one decimals?A steel wire in a piano has a length of 0.900 m and a mass of 3.800 ✕ 10^-3 kg. To what tension must this wire be stretched so that the fundamental vibration corresponds to middle C (fC = 261.6 Hz on the chromatic musical scale)? Needs Complete typed solution with 100 % accuracy.
- 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.The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and one-half wavelength occupies the wire. What is the mass of m the wire? Answer in units of kg.A football player is training with the Battle ropes at the gym. The rope that he is using is 4.12 m long nad has a mass of 11.2 kg. The force exerted by the athlete on the rope is 37.9 N. (a) What is the linear mass density of the rope? (b) What is the speed of the waves generated on the rope?