Physics, 20.04.2021 14:00 jscout2468
Stacy reads the following passage on a Web page devoted to the issue of nuclear technologies: "Electromagnetic radiation is known to ionize the atoms with which it comes into contact. When this happens to the atoms making up cells of living organisms, the cells are damaged and, often, destroyed. The widespread use of microwave ovens has brought this serious safety hazard into most American kitchens. Radiation escaping microwave ovens can damage the cells of nearby people and be the source of serious, long-term maladies." Stacy thinks that the authors of the passage are misrepresenting the characteristics of electromagnetic radiation. Is she correct? A. Yes; the authors' reasoning must be biased because they are probably opposed to all technologies that use radiation. B. Yes; low-energy electromagnetic radiation, including microwaves, does not tend to ionize the atoms it encounters. C. No; all electromagnetic radiation ionizes most atoms it encounters, so microwave ovens must be a safety hazard. D. No; although not all electromagnetic radiation ionizes the atoms it encounters, low-energy microwaves are among the most dangerous.
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
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Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?
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Physics, 22.06.2019 17:20
Properties seen when one one substance changes to another are known as properties
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Stacy reads the following passage on a Web page devoted to the issue of nuclear technologies: "Elect...
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