Can someone verify my answer?

The question: If a spring of length #2m# and mass is #60# grams, is stretched to a length of #2.6#m. Its fundamental frequency is #20#Hz after being stretched. Find the spring constant?

My answer is #k=947.48N/m#
It keeps saying i'm wrong

1 Answer
MetaPhysik
Feb 13, 2018

Try significant digits.

Explanation:

You answer is correct. But the significant figures of your answer might not. Double check the way the numbers are written down in the original question. Is 2m written as 2.0m, 20 Hz written as 20. Hz etc. If so, they are numbers of two significant figures. When you have numbers that have mixed significant numbers. Then your answer keeps the least significant figure. So, try 950 N/m for two significant digits or 900 N/m for one significant digits, and so on.

Let me know if this help or not.

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