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Physics, 21.06.2019 13:30
What if? physicists often measure the momentum of subatomic particles moving near the speed of light in units of mev/c, where c is the speed of light, and 1 mev = 1.6 โ 10โ13 kg ยท m2/s2. based on this, what are the units of momentum for a high-speed subatomic particle in terms of fundamental si units?
Answers: 1
Physics, 21.06.2019 17:20
When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.
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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 ฮธ=0โ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=30โ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=45โ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=60โ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle ฮธ=90โ with the plane of polarization?
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Physics, 22.06.2019 16:40
Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
What is the angle of the reflected ray?...
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