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Also, using conservation of energy, it can be shown that the square of the angular speed as a function of angle is given by:

ω2 = 3 g sin(θ)/L

with θ the angle measured clockwise from horizontal and L the length of the stick.

What is the magnitude of the angular acceleration of the stick?

What is the magnitude of the tangential acceleration of the center of mass of the stick?

What is the magnitude of the centripetal acceleration of the center of mass of the stick?

What is the magnitude of the total acceleration of the center of mass of the stick?

I don't know know even where to begin, I am having a hard time with this subject area. It would be nice to get full drawn out answers. Thanks.