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12 May, 19:38

Compute the acceleration of gravity for a given distance from the earth's center, distcenter, assigning the result to accelgravity. the expression for the acceleration of gravity is: (g * m) / (d2), where g is the gravitational constant 6.673 x 10-11, m is the mass of the earth 5.98 x 1024 (in kg) and d is the distance in meters from the earth's center (stored in variable distcenter).

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  1. 12 May, 19:51
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    Looks like we can choose any d we want, so why not 1m? a = g*m/d^2 = (6.673*10⁻¹¹) (5.98*10²⁴) / (1²) = 3.97*10⁻¹⁴ m/s². This would occur within the earth and would certainly be non-physical if we considered general relativity, but it works. Otherwise, just choose a different d, why not 1.50*10¹¹ m, the mean distance from the earth to the sun.
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