Physics, 04.12.2019 21:31, christinachavez081
Aball on a string is swung at a constant speed of 3m/s in a horizontal circle. if the string is 1.25m long what is the centripetal acceleration of the ball?
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Physics, 22.06.2019 06:40, PerfectMagZ
Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?
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Aball on a string is swung at a constant speed of 3m/s in a horizontal circle. if the string is 1.25...
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