Gravitational Force According to Newton’s Law - 94816

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  • From: Mathematics, Algebra
  • Posted on: Tue 19 Jan, 2016
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1. Gravitational Force According to Newton’s Law of universal gravitation, the attractive force F between two bodies is given by where m1, m2 are the masses of the two bodies r = distance between the two bodies G = gravitational constant 6.6742 × 10–11 newtons meter2 kilogram–2 Suppose an object is traveling directly from Planet A to Planet B. The mass of Planet A is 17.56 × 1010 kilograms, the mass of Planet B is 5.34 × 105 kilograms, and the mean distance from Planet A to Planet B is 20,000 kilometers. Set up an inequality that would answer this question: For an object between Planet A and Planet B, how far from Planet A is the force on the object due to the Planet B greater than the force on the object due to Planet A? Simplify your inequality until one side equals zero. Do not solve. 2. Find all of the zeroes (real and/or complex) of f(x) = x² + 3x + 5
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(1) 

Let the mass of the object be m and its distance from planet B be x

Force of gravity between m and M is F = GmM/r^2

Force on M due t