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natasha.aries
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Hey y'all! So I have a test tomorrow and really need help on this question! Please help me!
The Centripetal acceleration of the satellite is approximately...
 11 months ago
 11 months ago
natasha.aries Group Title
Hey y'all! So I have a test tomorrow and really need help on this question! Please help me! The Centripetal acceleration of the satellite is approximately...
 11 months ago
 11 months ago

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natasha.aries Group TitleBest ResponseYou've already chosen the best response.0
And please explain why! :)
 11 months ago

bourne13 Group TitleBest ResponseYou've already chosen the best response.0
You know the equation for centrepedal acceleration? \[a=v^2/r\] here a is acceleration, v is velocity of the object, here satellite, r is the radius of circular motion, here R+h
 11 months ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.0
what is h?
 11 months ago

natasha.aries Group TitleBest ResponseYou've already chosen the best response.0
nvm lol but why r+h
 11 months ago

Mashy Group TitleBest ResponseYou've already chosen the best response.0
Cause.. r is usually the distance from the CENTRE of the earth if the distance is faarrrr away.. like for example u were calculating acceleration of the earth revolving around sun, then we could neglect the size of the sun.. (150 million kilometer is way bigger than 0.7 million kilometers right?) but in ur problem, the altitude is comparable to the size of the earth.. infact smaller :P hence u need to consider the radius of earth!
 11 months ago

Isaiah.Feynman Group TitleBest ResponseYou've already chosen the best response.0
Also...I would say since the acceleration acts towards the center of the circular path you would need to use r+h since the earth and the path are concentric (they share the same radius)
 11 months ago
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