An unmanned spacecraft of mass 459 kg is in a circular, Ask an Expert

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An unmanned spacecraft of mass 459 kg, is in a circular orbit around the earth, observing the earth's surface from an altitude of 58.3km.

What is the orbital speed of the spacecraft?

What is the period of the spacecraft's orbit?

What is the escape velocity of the spacecraft?

To the dismay of scientists, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 17.3 . If nothing is done to correct its orbit, with what speed will the spacecraft crash into the earth's surface?

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Category:- Physics
Reference No.:- M91035712

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