Physics, 06.04.2020 15:25 bihanna1234
Without telescopes or other aid, we can look up and see the Moon in the night sky because it:. a. emits thermal radiation. b. reflects visible light. c. emits visible light. d. glows through radioactive decay. e. reflects infrared light.
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Physics, 21.06.2019 19:00
Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?
Answers: 2
Physics, 22.06.2019 06:30
In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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Physics, 22.06.2019 06:40
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 ΞΈ_1=20.8β with the incident electric field. polarizer b has its axis at an angle of ΞΈ_2=63.0β 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?
Answers: 2
Without telescopes or other aid, we can look up and see the Moon in the night sky because it:. a. em...
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