Physics, 15.06.2020 14:57 tylermorehead1
John has to cut some wood. First, he used a large, blunt saw and cut 3 pieces in 2 minutes. Then he used a smaller, sharper saw and cut 5 pieces in 2 minutes. Explain which saw was more efficient.
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Physics, 22.06.2019 03:50
The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?
Answers: 1
Physics, 22.06.2019 12:00
Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
Answers: 1
Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
Answers: 2
John has to cut some wood. First, he used a large, blunt saw and cut 3 pieces in 2 minutes. Then he...
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