Spring constant physics?
posted by Anon. .
What is the spring constant of Spring 1, in N/m?
This is in an online lab. All I know about spring 1 is that it is 30cm long, and with a mass of 250g attached, it reaches 55cm long.
My answer of 4.5 (.25 * 10 = k * .55) is incorrect...why? Thank you!
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