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A playground merry-go-round, made in the shape of a solid disk, hasa diameter of 2.50 m and a mass of 350.0 kg. Two children, each ofmass 30.0 kg, sit on opposite sides at the edge of the platform.Approximate the children as point masses.
(a) What torque is required to bring the merry-go-round from rest to 25 rpm in 20.0 s?
(b) If two other bigger children are going to push on themerry-go-round rim to produce this acceleration, with what forcemagnitude must each child push? (You may assume that the biggerchildren are standing beside the merry-go-round and pushing on ittangentially.)
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Climate change impacts are measured by Global Warming Potential (GWP), which is measured in units of carbon dioxide (CO2) equivalents, or CO2e. The daily GWP for a manufacturing plant that emits 1 ton of N2O, 3 tons of CH4 and 5 tons of CO2 per day i..
Two different simple harmonic oscillators have the same natural frequency (f=2.60 Hz) when they are on the surface of the Earth. Calculate the new frequency of the vertical spring and mass
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a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
A slinky with N even loops of area A is L long. You hook it up to a circuit and increase the current at a rate of 2.0 A/s, Now calculate the new induced EMF
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