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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Physics, 22.06.2019 16:30
Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
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22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
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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