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3 December, 22:47

A 75.0 kg students sits 1.15 m away from a 68.4 kg student. What is the force of gravitational attraction between them?

Give answer in scientific notation.

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Answers (1)
  1. 4 December, 00:24
    0
    F=2.589*10⁻⁷ Newtons

    Explanation:

    The gravitational force of attraction between two bodies is given by

    F = Gm₁m₂/r²

    Where m₁ and m₂ are the masses of the two bodies, G is the universal gravitational constant while r is the distance between the two bodies.

    G=6.67408 * 10⁻¹¹m³kg⁻¹s⁻²

    r=1.15m

    m₁=75.0kg

    m₂=68.4kg

    Therefore F = (6.67408*10⁻¹¹m³kg⁻¹s⁻²*75.0kg*68.4kg) / (1.15m) ²

    F=2.589*10⁻⁷ Newtons
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