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A listener is standing in front of two speakers that are producing sound of the same frequency and amplitude, except that they are vibrating out of phase. Initially, the distance between the listener and each speaker is the same (see the drawing). The separation of speakers (y) is 3.6 m and the shortest distance from the listener to the speaker (x) is 5.2 m. As the listener moves sideways, the sound intensity gradually increases. When the distance a in the drawing is 0.6 m, the change reaches the maximum amount (from soft to loud). Using the data shown in the drawing and 343 m/s for the speed of sound, determine the frequency (Hz) of the sound coming from the speakers.
Material found with a mummy in the arid highlands of southern Peru has a _6^14 text(C) activity per gram of carbon that is 74.0% of the activity percent initially
Three capacitors, C1 = 3.30 µF, C2 = 7.26 µF, and C3 = 1.23 µF, are connected in series, What is the charge on the positive plate of the capacitor C2
How long would it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 335m.
A space traveller whose mass is 115 kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no nearby planetary objects.
Shantel was the sole owner of the residence until it was sold. Explain how much of the gain may Shantel and Daron exclude?
What is the capacitance of a pair of circular plates with a radius of 9.0cm separated by 3.2mm of mica?
Suppose that the separation between two speakers A and B is 4.40 m and the speakers are vibrating in-phase, What is the largest possible distance between speaker B and the observer,
A uniform disk with a mass of 813g and a radius of 17cm is rotating on frictionless bearings with a rotational speed of 18Hz, what is the new rotational speed of the disk
The surface waters of tropical oceans are at a temperature of 28?C while water at a depth of 1200 m is at 3?C. What is the maximum efficiency possible of such a heat engine
A 685 kg car stopped at an intersection is rear-ended by a 1470 kg truck moving with a speed of 12.5 m/s. find the final speed of both vehicles after the collision
A 0.34 kg iron horseshoe that is initially at 616 ?C is dropped into a bucket containing 25 kg of water at 28 ?C. What is the final equilibrium temperature? Avoid any energy transfer to or from the surroundings and assume the specific heat of iron is..
A 160 g trick baseball is thrown at 63 km/h . It explodes in flight into two pieces, How much energy, in joules, do the pieces gain in the explosion
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