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1. In terms of the wavelength of the sound wave, about how far below the open end of the resonance tube is the first resonant position?
2. The speed of sound in air is 345 m/s. A tuning fork vibrates above the open end of a sound resonance tube. If sound waves have wavelengths 65-cm in the tube, what is the frequency (in Hertz) of the tuning fork? Never include units with a numerical answer.
in rl ac curcuit.when the applied voltage is equal to 4.50 v the current also has a non-zero value. when the applied
Abe and Bob are bird-watching, hoping to add a particular song bird to their "life list" of species. They agree to split up so they can cover a larger area. Bob is as far away as possible, such that he can still hear the bird. How far away is he fr..
Assume the moon had a net negative charge equal to -q and Earth had a net positive charge equal to +10q. What value of q would yield the same magnitude force that you now attribute to gravity?
In exercising, a weight lifter loses 0.152 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. find the change in the internal energy of the weight lifter
A gas changes in volume from 0.870 m3 to 0.200 m 3 at a constant pressure of 1.30*105 Pa. How much work is done on the gas? How much work is done by the gas on its environment?
Fill a glass with water. Look down through the water, and then through the glass to your hand on the outside. Can you see it? Tip the glass towards you and watch your hand disappear. Why? Do you know what physical phenomena this observation is rel..
A pair of in-phase stereo speakers is placed side by side, 0.80 m apart. What is the lowest frequency that will produce constructive interference at your location
When we place a charge of 11.4 µC on a parallel plate capacitor, we measure a voltage of 1.2 V across the two electrodes. What is the capacitance of this system
When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
An unknown material has a normal melting/freezing point of -25.1° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
A uniform rod is attached to a wall by a hinge at its base. Determine the horizontal and vertical components of the force exerted on the rod by the hinge
A box of bananas weighinh 40 N rests on a horizontal surface. The coefficient of static friction between the box, the magnitude of the frictional force is
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