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The wave produced by a piano's middle C has a frequency of 440 Hz and a wavespeed of 344 m/s. What is its wavelength? (2 decimal places)
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Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit
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Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
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Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.
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Physics, 22.06.2019 09:00
One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
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The wave produced by a piano's middle C has a frequency of 440 Hz and a wavespeed of 344 m/s. What i...
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