Daniel O. answered 12/07/12
Math and Physics Tutor, with a math and physics degree
a) Gravitational force is given by F = Gm1m2/r2
b) same formula here, but you know F so you want to re-arrange the above into:
r2 = Gm1m2/F
r = √(Gm1m2/F)
Taliyah H.
asked 12/06/12A 6.8 kg bowling ball and a 6.3 kg bowling ball rest on a rack 1.26 m apart.
(a) What is the force of gravity exerted on each of the balls by the other ball?
(b) At what separation is the force of gravity between the balls equal to 2.0 10-9 N?
Daniel O. answered 12/07/12
Math and Physics Tutor, with a math and physics degree
a) Gravitational force is given by F = Gm1m2/r2
b) same formula here, but you know F so you want to re-arrange the above into:
r2 = Gm1m2/F
r = √(Gm1m2/F)
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