A Satellite of Mass M₁ Circles a Planet of Mass

question 1

Multiple Choice

A satellite of mass m₁ circles a planet of mass m₂ and radius r in an orbit at a height 2r above the surface of the planet. What minimum energy is required to change the orbit to one for which the height of the satellite is 3r above the surface of the planet?

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Definitions:

Quantitative Restriction

A limit on the importation of certain goods that is imposed on the basis of number of units, weight, or value for national economic reason, or for the protection of domestic industry; prohibited by GATT.

Forum Non Conveniens

A legal doctrine allowing courts to dismiss a case if another court or forum is more suited to hear the case, usually due to convenience factors.

Personal Jurisdiction

Refers to a court's authority over the parties involved in a legal case.

Specific Personal Jurisdiction

A doctrine permitting adjudication of a claim against a defendant only if the defendant purposely availed himself or herself of the protections of the forum and if the selected forum is reasonable.