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wariber [46]
3 years ago
7

2/3(3/5x+9)=1/2(2x+40) I posted this before but w/o the 1/2 on accident

Mathematics
1 answer:
andriy [413]3 years ago
5 0
The answer and working are shown in the photo below
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For a better understanding of the explanation provided here kindly go through the file attached.

Since, the weight attached is already at the lowest point at time, t=0, therefore, the equation will have a -9 as it's "amplitude" and it will be a Cosine function. This is because in cosine function, the function has the value of the amplitude at t=0.

Now, we know that the total angle in radians covered by a cosine in a given period is 2\pi and the period given in the question is t=3 seconds. Therefore, the angular velocity, \omega of the mentioned system will be:

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