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5 votes
The force f between two bodies is inversely proportional to the square of the distance between their centres. If f=2 and d=3 then find d when f=12

User Raminr
by
8.3k points

1 Answer

5 votes

Answer:

1.22

Explanation:

F =
(k)/(d^2)

2 =
(k)/(3^2)

2×9 =
k\\

18 =
k\\


F=
(18)/(d^2)

12 =
(18)/(d^2)

d =
\sqrt(18)/(12)

d ≈ 1.2247

d = 1.22

User Papa Stahl
by
8.6k points