Physics, 20.11.2019 17:31 vanessagallegos7445
Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifier so that they emit sound waves in phase at 688 hz. take the speed of sound in air to be 344 m/s. if you are 3.00 m from speaker a directly to your right and 3.50 m from speaker b directly to your left. what is the shortest distance d you need to walk forward to be at a point where you cannot hear the speakers?
Answers: 3
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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?
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Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifi...
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