Suppose r> 0 and . . f=km/r^2 solve for r in terms of f, k, and m.

Hi there!

F =

To solve for ' r '
Follow these steps :-

• Multiply r² both sides -

F × r² = × r²

F × r² = km

• Divide F from both sides -

r² =

r =

Hence,
Option D. r = is Correct

~ Hope it helps!

The answer is 60.9774