Solution: It takes 4.36 J of work to stretch a Hooke’s-law spring 7.54 cm from its unstressed length. How much the extra work is required to stretch it an additional 4.8 cm?
1. 27.5923
2. 13.8816
3. 14.269
4. 3.54616
5. 6.58426
6. 5.18114
7. 15.988
8. 17.1564
9. 18.2072
10. 7.31815

It takes 4.36 J of work to stretch a Hooke’s-law spring 7.54 cm from its unstressed length. How much the extra work is required to stretch it an additional 4.8 cm?

1. 27.5923

2. 13.8816

3. 14.269

4. 3.54616

5. 6.58426

6. 5.18114

7. 15.988

8. 17.1564

9. 18.2072

10. 7.31815