Physics, 24.03.2021 18:30 jamaiciaw6
speech of sound is 343 m/s in 20° air. you are 415m from a sound source. how long does it take the sound to reach you?
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The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes
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Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
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Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
Answers: 2
speech of sound is 343 m/s in 20° air. you are 415m from a sound source. how long does it take the s...
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