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M3 Simple Harmonic Motion w/strings

Hi guys.

Can anyone take a look at my working for question 8b.

What i did:

The distance travelled under SHM is 0.4m.
I found out what proportion of a cycle this was.
I multiplied this by the time period.

According to the solution bank this is where i went wrong however i am unsure why i went wrong.

If anyone could have a look over my working out and let me know what u think.








Thanks
Original post by Shaanv

The distance travelled under SHM is 0.4m.
I found out what proportion of a cycle this was.
I multiplied this by the time period.


This methodology assumes that the mass is moving at a constant speed, which it clearly isn't.
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Shaanv
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Original post by ghostwalker
This methodology assumes that the mass is moving at a constant speed, which it clearly isn't.


This is similar to what i was thinking whilst looking over the post waiting for someone to answer.

Thanks for clarifying, its much appreciated.

Have a good day/night

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