A spiral spring of natural length 30.0cm and force constant of 20Nm -1 is compressed...
PHYSICS
WAEC 2002
A spiral spring of natural length 30.0cm and force constant of 20Nm-1 is compressed to 20.0cm. Calculate the energy stored in the spring
- A. 0.1J
- B. 1.0J
- C. 10.0J
- D. 100.0J
Correct Answer: A. 0.1J
Explanation
Energy = \(\frac{1}{2} ke^2 = \frac{1}{2} \times 20 \times 0.1^2\)
= 0.1J
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *