Physics, 25.10.2019 20:43, saigelthegreat8337
An electron and a proton are released simultaneously from rest and start moving toward each other due to their electrostatic attraction, with no other forces present. which of the following statements are true just before they are about to collide?
a) they are closer to the to the initial position of the electron that to the initial position of the proton.
b) they are closer to the to the initial position of the proton that to the initial position of the electron.
c) the electrostatic force on the proton is greater than the electrostatic force on the electron.
d) they both have the same speed.
e) they are at the midpoint of their initial separation.
Answers: 1
Physics, 22.06.2019 15:10, Bgreene2377
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
Physics, 22.06.2019 23:40, ltawiah8393
Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n
Answers: 2
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