Calculate the energy transferred to the elastic potential energy store for the following:
1. A spring is extended by 0.35 m and has a spring constant of 134 N/m.
2. A spring is extended by 0.36 m and has a spring constant of 429 N/m.
3. A spring with a spring constant of 459 N/m is stretched until its extension is 0.29 m.
4. A spring with a spring constant of 344 N/m is stretched until its extension is 0.42 m.
5. A spring with a spring constant of 82 N/m is stretched until its extension is 0.2 m.
6. Find the extension of a spring with 28 J of energy in its elastic potential store and a spring constant of 308 N/m.
7. Find the extension of a spring with a spring constant of 187 N/m and has 33 J of energy in its elastic potential store.
8. Find the spring constant of a spring that has been extended 0.5 m and has 16.5 J of energy in its elastic potential store.
9. Find the extension of a spring with 3 J of energy in its elastic potential store and a spring constant of 73 N/m.
10. Find the spring constant of a spring with 18.1 J of energy in its elastic potential store when it has been extended by 0.49 m.
11. Find the extension of a spring with 0.064 kJ of energy in its elastic potential store and a spring constant of 379 N/m.
12. Find the extension of a spring with a spring constant of 155 N/m and has 2 J of energy in its elastic potential store.
13. A spring with a spring constant of 141 N/m is stretched until its extension is 42 cm. Calculate the energy transferred to the elastic potential energy store.
14. A spring with a spring constant of 201 N/m is stretched until its extension is 0.39 m. Calculate the energy transferred to the elastic potential energy store.
15. Find the extension of a spring with 0.003 kJ of energy in its elastic potential store and a spring constant of 179 N/m.
1. 8.2 J
2. 27.8 J
3. 19.3 J
4. 30.3 J
5. 1.6 J
6. 0.426 m
7. 0.594 m
8. 132 N/m
9. 0.287 m
10. 151 N/m
11. 0.581 m
12. 0.161 m
13. 12.4 J
14. 15.3 J
15. 0.183 m