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15 March, 23:55

An asteroid has a radius of 110,000 m

and a surface gravity of

0.0338 m/s^2. What is the mass of the

asteroid?

+5
Answers (1)
  1. 16 March, 00:09
    0
    Answer: M = 6.13 * 10^18 kg

    Explanation:

    g = GM/r2,

    Where

    The mass M of the asteroid = ?

    The radius r = 110000 m

    g = 0.0338 m/s^2

    G is the gravitational constant.

    SI units its value is approximately 6.674*10^-11m3⋅kg-1⋅s-2

    Using the formula

    g = GM/r2

    Cross multiply

    GM = gr^2

    6.674*10^-11M = 0.0338 * 110000^2

    M = 408*10^6/6.674*10^-11

    M = 6.13 * 10^18 kg
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