# physics

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Imagine that a new asteroid is discovered in
the solar system with a circular orbit and an
orbital period of 7 years.
What is the average distance of this object
from the Sun in Earth units?

• physics -

Doesn't Kepler's law apply?

T^2/r^3=constant=for Earth T^2/R^3

r^3=7^2*(92millionmiles)^3/1year^2

r= 92million miles * cuberoot(49)

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