Question: This needs to be done using a simulation through https://phet.colorado.edu/sims/resonance/resonance_en.html 1. Select ruler and observe how you can make measurements of the oscillations. Set the

This needs to be done using a simulation through https://phet.colorado.edu/sims/resonance/resonance_en.html

1. Select ruler and observe how you can make measurements of the oscillations. Set the spring constant to 300 n/m. Show the ruler.

a) Explain the vectors that you have included in your free body diagram.

b) Now set gravity to on, and wait for the mass to settle down. Describe how you can calculate the spring constant of the spring from these measurements. What value do you calculate? Assume ruler is 0-50 cm, or 0 -0.5 m. Result may be somewhat higher than 300.

c) From the above calculation, can you calculate a predicted value for the resonant frequency of this mass? Ignore damping. Explain how you did this and give the result.

d) Click the driver to on. Click and drag the frequency dial to change the driving frequency. How can you find the resonant frequency doing this? What value do you get?

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