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Mamont248 [21]
3 years ago
15

Check plz :P thank you

Physics
2 answers:
TiliK225 [7]3 years ago
7 0
Yes looks good!!! You did it right keep it up!!
stiks02 [169]3 years ago
4 0

Answer:

yes looks good  hope you ace the test have a wonderful day

Explanation:

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Answer:

-\frac{8\pi}{3}rad/s^2

Explanation:

To solve this problem we need to apply the concept related to Angular Acceleration. We can find it through the equation

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\omega = 8\pi rad/s

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The cook at the end stop to spin, then using our first equation,

0-8\pi = 2\alpha (12\pi)

re-arrange to solve\alpha ,

\alpha = \frac{-8\pi}{2*12\pi}

\alpha = -\frac{8\pi}{3}rad/s^2

We can know find the required time,

\omega_f-\omega_i = \alpha t

Re-arrange to find t, and considering that \omega_f=0

t= \frac{\omega_i}{\alpha}

t=\frac{-8\pi}{-8\pi/3}

t=3s

Therefore take for the salad spinner to come to rest is 3 seconds with acceleration of -\frac{8\pi}{3}rad/s^2

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