Recent content by Lauren Wright

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    How hard must you hit a rod for it to swing up 180 degrees?

    Homework Statement A thin rod, 0.79 m long, is pivoted such that it hangs vertically from one end. You want to hit the free end of the rod just hard enough to get the rod to swing all the way up and over the pivot. How fast do you have to make the end go? Homework Equations P(change in...
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    What is the rotational velocity of the crank?

    Homework Statement You accidentally knock a full bucket of water off the side of the well. The bucket plunges 13 m to the bottom of the well. Attached to the bucket is a light rope that is wrapped around the crank cylinder. The cylinder has a radius of 0.085 m and inertia of 4.0 kg. The inertia...
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