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A junior high school math problem (expansibility)
G is equal to 2GM of the square of c.

G = 2gm/c 2, so 2m = c 2 = 9 * (10 60) square kg.

G = 6.67 *10 (-11) Niu m2/km2.

So 2g m = 2m * g = 9 * (1060) * 6.67 *10 (-1) = 6.003 * (1050) N m2.

The back r equals-is there a formula to calculate it?

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