A 111 kg horizontal platform is a uniform disk of radius 1.91 m and can rotate about the vertical axis through its center. A 66.5 kg person stands on the platform at a distance of 1.09 m from the center, and a 29.3 kg dog sits on the platform near the person 1.35 m from the center. Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis.
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Physics, 22.06.2019 05:30, kolibeilfuss
What is the most useful equation for electric power?
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Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
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Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?
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