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- please solve for bPand the pulley is L = 2.0 m. In the arrangement shown in the figure below, an object of mass m = 4.0 kg hangs from a cord around a light pulley. The length of the cord between point (Ignore the mass of the vertical section of the cord.) Vibrator (a) When the vibrator is set to a frequency of 130 Hz, a standing wave with six loops is formed. What must be the linear mass density of the cord? kg/m (b) How many loops (if any) will result if m is changed to 144 kg? (Enter 0 if no loops form.) |loops (c) How many loops (if any) will result if m is changed to 10 kg? (Enter 0 if no loops form.) loops Need Help? Master It Read ItEstablish the equation of harmonic wave travelling along the positive direcction of X-axis.
- I need to understand how I get the experimental determined speed of sound if my calculated wavelength is 8cm ? So I can be able to do on my own. I know 331.4 + 0.6 × tcm My room temperature calculation is 21 degree Celsiussinusodial water waves are generated in a large ripple tank. the waves travel at 20cm/s and their adjacent crests are 4cm apart. the time required for each new whole cycle to be generated is?A sinusoidal wave is sent along a cord under tension, transportingenergy at the average rate of Pavg,1.Two waves, identical to thatfirst one, are then to be sent along the cord with a phase differencef of either 0, 0.2 wavelength, or 0.5 wavelength. (a) With only mentalcalculation, rank those choices of f according to the averagerate at which the waves will transport energy, greatest first. (b) Forthe first choice of f, what is the average rate in terms of Pavg,1?8 (a) If a standing wave on a string is given byy(t) = (3 mm) sin(5x) cos(4t),is there a node or an antinode of the oscillations of the string atx = 0? (b) If the standing wave is given byy(t) = (3 mm) sin(5x + p/2) cos(4t),is there a node or an antinode at x = 0?
- Two identical speakers are initially equal distancesfrom a listener . Thelistener hears a sound maximum (constructiveinterference). When the upper speaker is moved backby a distance d = 2 m, the listener hears a soundminimum (destructive interference). What is thelongest wavelength the soundwaves could have?A standing wave us given by y(x,t) = 10cos(5(pi)t)*sin((2/3)(pi)x) find two waves that could be superimposed to generate this standing wave.At an outdoor music event, a dB meter records 130 dB when placed 2.25 m in front of aloudspeaker near the stage. A) What was the power output of the speaker, assuminguniform spherical spreading of the sound and neglecting any absorption, reflection andinterference of the sound that may occur? B) How far away would you need to be forthe sound level to be 80 dB?
- Examine the wave function below. Suppose there is a point that goes from y = 2 mm to y = 6 mm. How long does it take for the point to make the move?Destructive interference always results in a wave with no amplitude. True O FalseCalculate the force for the to vibrate with a velocity of 349m/s. Calculate the length of the string if its first harmonic is 225Hz. Calculate wavelength of the 2do mode