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calculating mass of electron using

The radius of an atom is 10^-10 m,if an electron of mass 9×10^-31 kg has an angular velocity of 8π radsecs.if the period of
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2. asked by Don Morris
3. 740 views
Can someone give me some pointers on calculating the rest energy of a positron (a particle that has the same mass as an electron
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2. asked by Jess
3. 479 views
In the Bohr theory, what does the principal quantum number determine? (Select all that apply.)the energy level of the electron
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2. asked by Truth
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Two electrons are separated by 1 meter. What is the ratio of the magnitude of the electric force on one electron and the
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2. asked by P
3. 802 views
The mass of a helium-4 stone is 6.65*10^-24 grams. The mass of an electron is 9.11*10^-28 grams. How many times greater is the
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2. 115 views
Given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the
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2. asked by Martin
3. 670 views
given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the
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2. asked by Martin
3. 1,278 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
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2. asked by cr
3. 731 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
1. 3 answers
2. asked by cr
3. 1,071 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
1. 2 answers
2. asked by cr
3. 1,313 views