Under the influence of the Coulomb ...
Question

# Under the influence of the Coulomb field of charge ( +Q, ) a charge ( -q ) is moving around it in an elliptical orbit. Find out the correct statement(s)(1) The angular momentum of the charge ( -q ) is constant(2) The linear momentum of the charge ( -q ) is constant(3) The angular velocity of the charge ( -q ) is constant(4) The linear speed of the charge ( -q ) is constant

JEE/Engineering Exams
Physics
Solution
175
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Angular momentum is constant derive from Kepler's law.