Physics, 20.08.2019 02:00, priscillavaladez1112
We want to find how much charge is on the electrons in a nickel coin. follow this method. a nickel coin has a mass of about 5.7 g.
a. find the number of atoms in a nickel coin. each mole (6.02 × 10^23 atoms) has a mass of about 57.9 g. answer in units of atoms.
b. find the number of electrons in the coin. each nickel atom has 28 electrons/atom. answer in units of electrons.
c. find the magnitude of the charge of all these electrons. answer in units of c.
Answers: 1
Physics, 21.06.2019 22:30, ceceshelby646
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 21.06.2019 23:00, zahriamarie10
If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
Answers: 1
We want to find how much charge is on the electrons in a nickel coin. follow this method. a nickel c...
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