The weight, w, of a spring in pounds is given by 0.9 times the square root of the energy, e, stored by the spring in joules. if the energy stored by the spring is 12 joules, what is the approximate weight of the spring in pounds?

3.12 pound.

Step-by-step explanation:

Energy due to weight, w, of the spring = 0.9 × will be represented by

If energy stored by the spring is 12 joules.

Then weight of the spring will be

m'g = w' = 0.9

             = 0.9 × 3.46

             = 3.12 pounds

The approximate weight of the spring  is 3.12 pound.

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9