Physics, 26.06.2020 15:01, allieballey0727
As an intern with an engineering firm, you are asked to measure the moment of inertia of a large wheel, for rotation about an axis through its center. Since you were a good physics student, you know what to do. You measure the diameter of the wheel to be 0.84 m and find that it weighs 264 N. You mount the wheel, using frictionless bearings, on a horizontal axis through the wheel's center. You wrap a light rope around the wheel and hang a 5.28 kg mass from the free end of the rope. You release the mass from rest; the mass descends and the wheel turns as the rope unwinds. You find that the mass has speed 5.0 m/s after it has descended 2.8 m .
A) What is the moment of inertia of the wheel for an axis perpendicular to the wheel at its center?
B) Your boss tells you that a larger I is needed. He asks you to design a wheel of the same mass and radius that has I = 19.0 kg*m2. How do you reply?
Answers: 3
Physics, 22.06.2019 07:30, jaquezdaking4919
The slope of a velocity time graph over any interval of time gives the during that interval
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Physics, 22.06.2019 15:50, potatocow
The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?
Answers: 2
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