Question

The elongation E of a spring balance varies directly with the applied weight W. If E=4 when W=35, find E when W=20.

Answer 1

are you familiar with hooke's law?

Answer 2

No, I'm not.

Answer 3

what grade are you?

Answer 4

I set this up as a ratio, but got the wrong answer.

Answer 5

10th

Answer 6

4/35=x/20

Answer 7

Where did the 35 come from

Answer 8

If E=4 when W=35

Answer 9

from you question

Answer 10

Oops, I meant 25. Sorry, but it is the same concept.