Physics, 20.10.2020 16:01 rissaroo159
3. A fan at a rock concert is 30 m from the stage, and at this point the sound intensity is 110 dB. a. How much energy is transferred to her eardrums each second b. What is the sound intensity at a distance of 100 m from the stage.
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What is the frequency of a light wave with a wavelength of 620nm
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After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?
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Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?
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3. A fan at a rock concert is 30 m from the stage, and at this point the sound intensity is 110 dB....
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