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physics

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The Earth orbits the Sun once per year.What is the centripetal force keeping the Earth in orbit?

T = 1 year (convert to seconds)
r = 1.5e+11 meters
m = 6e+24 kg

  • physics -

    Centripetal force = M*V^2/r

    For V, use 2*pi*r/T
    T = 3.154*10^7 s

    Turn the crank

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