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The speed of an electron

An electron strikes the back of a TV screen at 1/10 the speed of light.What is the speed of the electron? What is the momentum
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2. asked by Dana
3. 707 views
The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^-10m, how
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2. asked by K
3. 1,714 views
An electron with an initial speed of 4.56 x 10^5m/s enters the second section of a particle accelerator that is 3.50 cm long. In
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An electron, moving with a speed, 6.8 km/s, enters a magnetic field that has a strength of 6.9 T. The magnetic force on the
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2. asked by Jamie
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A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
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2. asked by fred
3. 862 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
3. 84 views
An electron is acted upon by a force of 7.00×10−15 N due to an electric field. Find the acceleration this force produces in
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2. asked by SAM
3. 1,776 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
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2. asked by Physics Failure
3. 1,438 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
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2. asked by kayla
3. 1,042 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
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2. asked by Fred
3. 955 views