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physics

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If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 1.1 s? (The mass of Pluto is 2.500×10-3 the mass of earth and the radius of Pluto is 0.18 of the earth's radius.)

  • physics -

    Since g=GM/r²
    G=gravitational constant
    M=mass of planet
    r=radius of planet
    Calculate g (by relative proportions)
    on Pluto and use new value of g for the free fall equation.

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