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Author Question: A spacecraft (mass = m) orbits a planet (mass = M) in a circular orbit (radius = R). What is the ... (Read 160 times)

theo

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on: Aug 6, 2020

Question 1

A satellite revolves around the Earth in a circular orbit with a mechanical energy of J. What is its kinetic energy?

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Question 2

A spacecraft (mass = m) orbits a planet (mass = M) in a circular orbit (radius = R). What is the minimum energy required to send this spacecraft to a distant point in space where the gravitational force on the spacecraft by the planet is negligible?

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GmM/(4R)

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GmM/R

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GmM/(2R)

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GmM/(3R)

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2GmM/(5R)
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Marked as best answer by theo on Aug 6, 2020

al

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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theo

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Reply 2 on: Aug 6, 2020
YES! Correct, THANKS for helping me on my review

nyrave

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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