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Author Question: Carla and Jenny are arguing about whether or not it is possible to escape the gravitational field of ... (Read 93 times)

Melani1276

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on: Aug 6, 2020
Carla and Jenny are arguing about whether or not it is possible to escape the gravitational field of the Earth. Carla shows Jenny a system where mass m is rE (not the Earth's radius) distant from Earth and rP (not planet P's radius) distant from planet P, the mass being on the line connecting the Earth and planet P. Carla states that the mass m has escaped if FP on m = −FE on m. Jenny disagrees. Which one, if either, is correct, and why?

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Carla, because the total gravitational force on m is zero at that point.

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Carla, because there is no gravitational force from Earth on m at that point.

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Carla, because there is no gravitational force on m from Earth when r>rE.

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Jenny, because there is a gravitational force on m from Earth no matter how great the distance from the Earth.

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Jenny, because the gravitational force from the Earth can only be blocked by a body that is larger than the Earth.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by Melani1276 on Aug 6, 2020

CourtneyCNorton

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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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Melani1276

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Reply 2 on: Aug 6, 2020
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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