Physics, 08.01.2021 17:00 look26goingjbgy
How many oxygen atoms are in the products of the balanced reaction below? 3Ca + 2A1P04 → 2A1 + Ca3(PO4)2
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If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply
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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?
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What will a positive and a negative charge do if they are separated from each other?
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Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
How many oxygen atoms are in the products of the balanced reaction below?
3Ca + 2A1P04 → 2A1 + Ca3(...
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