CBSE Class 12-science Answered
check the ratio ke^2/Gme.mp is dimensionless.
Asked by garimasingh | 30 Apr, 2010, 10:14: AM
Expert Answer
Fe = ke2/R2 and Fg = Gmemp/R2,
Conside graviational and electrostatic force between a proton and an electron. The ratio of two forces,
Fe/Fg = ke2/Gmemp , as we see it's the ratio of two forces it's dimensionless.
(9x109)(1.6x10-19)2/(6.67x10-11x9.1x10-31x1.678x10-27) = 1040
The ratio signify that the electrostatic force is 1040 higher than the gravitational force.
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Team,
TopperLearning.
Answered by | 30 Apr, 2010, 06:21: PM
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