Asked by Quaeme
The Moon, which revolves around Earth with a period of about 27.3 d in a nearly circular orbit has a centripetal acceleration of 2.7x10^-3 m/s^2. What is the average distance from Earth to the moon.
(Would appreciate a response without the use of radians).
(Would appreciate a response without the use of radians).
Answers
Answered by
bobpursley
You need to learn radians quickly, or get left behind.
acceleration=v^2/r=(2PIr/Period)^2 / r
acceleration= 4PI^2*r/Period^2
or r=Period^2*acceleration/(4PI^2)
so convert period in days to seconds, and you have it.
acceleration=v^2/r=(2PIr/Period)^2 / r
acceleration= 4PI^2*r/Period^2
or r=Period^2*acceleration/(4PI^2)
so convert period in days to seconds, and you have it.
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