Question

in this activity you've seen answers with NUMBERS like r=3 and you've seen answers with VARIABLES like r=
`(W)/(2\pi )`

Answer 1

I hope this is what it's asking

Explanation:

the advantage would be that basically you don't have to do any real number calculations, you just take all of the steps and put it into one, so if u had real numbers you could just plug them in with the equation