Physics, 31.08.2019 05:30 strange5eyes
Apositively-charged piece of plastic exerts an attractive force on an electrically neutral piece of paper. this is because: 1. electrons are less massive than atomic nuclei 2. the electric force between charged particles decreases with increasing distance 3. an atomic nucleus occupies only a small part of the volume of an atom 4. a typical atom has many electrons but only one nucleus
Answers: 2
Physics, 21.06.2019 16:20
Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?
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Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
Apositively-charged piece of plastic exerts an attractive force on an electrically neutral piece of...
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