a Proton is held motionless between two horizontal metal plates 10 cm apart what voltage should be applied between the plates
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Answer on Question #59521, Physics / Mechanics | Relativity |
A proton is held motionless between two horizontal metal plates 10 cm apart. What voltage
should be applied between the plates?
Solution:
= 1.67 ∙ 10−27 kg, mass of proton
= 1.6 ∙ 10−19 C, charge of proton
= 0.1 m
The gravitational force on a proton would be balanced by the electric field.
Balance of forces:
=
Therefore,
=
=
1.67 ∙ 10−27 ∙ 9.8 ∙ 0.1
1.6 ∙ 10−19 ≈ 1 ∙ 10−8
Output: 1 ∙ 10−8
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