Torque Automatic Screen Door

Dec 2019
7
0
hello world
2automa.PNG1autom.PNGI found that torque= 4.25 Nm and angular acceleration = 2 rad/s^2 but I am not sure if this is right. Please confirm
 

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Jan 2019
55
41
I get $\tau = 4.28 \text{ Nm}$

I agree with your calculation of $\alpha_0 = 2.0 \text{ rad/s}^2$