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Author Question: A rocket with an initial mass of 1000 kg adjusts its thrust by varying the rate at which mass is ... (Read 77 times)

jc611

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on: Aug 1, 2020
A rocket with an initial mass of 1000 kg adjusts its thrust by varying the rate at which mass is ejected. The ejection speed relative to the rocket is 40 km/s. If the acceleration of the rocket is to have a magnitude of 20 m/s2 at an instant when its mass is 80% of the original mass, at what rate is mass being ejected at that instant? Ignore any external forces on the rocket.

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0.40 kg/s

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0.50 kg/s

◦
0.60 kg/s

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0.70 kg/s

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0.80 kg/s
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Marked as best answer by jc611 on Aug 1, 2020

shaquita

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Reply #1 on: Aug 1, 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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jc611

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Reply 2 on: Aug 1, 2020
Excellent

upturnedfurball

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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