Sound Waves
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A tuning fork is set into vibration above a vertical
A tuning fork is set into vibration above a vertical open tube filled with water (Fig. 12-35). The water level is allowed to drop slowly. As it does...
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A tuning fork of unknown frequency makes 3.00 beats per
A tuning fork of unknown frequency makes 3.00 beats per second with a standard fork of frequency 384 Hz. The beat frequency decreases when a small...
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A tuning fork vibrating at 512 Hz falls
A tuning fork vibrating at 512 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves of...
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A uniform 165-N bar is supported horizontally by two identical
A uniform 165-N bar is supported horizontally by two identical wires A and B (Fig. 16.43).Asmall185-N cube of lead is placed 3/4 of the way from A...
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A uniform cylindrical steel wire, 55.0 cm long and 1.14
A uniform cylindrical steel wire, 55.0 cm long and 1.14 mm in diameter, is fixed at both ends. To what tension must it be adjusted so that, when...
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A uniform narrow tube 1.80m long is open at both
A uniform narrow tube 1.80m long is open at both ends. It resonates at two successive harmonics of frequencies 275 Hz and 330 Hz. What is? (a) The...
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A uniform rope with length L and mass m is
A uniform rope with length L and mass m is held at one end and whirled in a horizontal circle with angular velocity w. You can ignore the force of...
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A vacuum cleaner produces sound
A vacuum cleaner produces sound with a measured sound level of 70.0 dB. (a) What is the intensity of this sound in W/m2? (b) What is the pressure...
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A vertical, 1.20-m length of 18-gauge (diameter of 1.024 mm)
A vertical, 1.20-m length of 18-gauge (diameter of 1.024 mm) copper wire has a l00.0-N ball hanging from it (a) What is the wavelength of the third...
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A vibrating string 50.0 cm long is under a tension
A vibrating string 50.0 cm long is under a tension of 1.00 N. The results from five successive stroboscopic pictures are shown in Fig. 15.39. The...
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