Physics, 23.10.2019 17:10 hardwick744
Asound wave can be used to shatter a wine glass. this can be explained by which of these ? a) sound is a compression wave. b) the sound will interfere with the molecules in the glass. c) the sound resonantes at the natural frequency of the glass. d) if sound is loud enough it will have enough energy to break the glass
Answers: 3
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
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Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
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Asound wave can be used to shatter a wine glass. this can be explained by which of these ? a) sound...
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