Ch13

Page 1

1. The magnitude of the force of one particle on the other is given by F = Gm1m2/r2, where m1 and m2 are the masses, r is their separation, and G is the universal gravitational constant. We solve for r: Gm1m2 = r= F

( 6.67 ×10

−11

N ⋅ m 2 / kg 2 ) ( 5.2kg )( 2.4kg ) 2.3 × 10−12 N

= 19 m


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