Physics, 17.02.2021 05:10 shadow29916

An 6 kg object accelerating from 17 m/s to 10 m/s. What is the change in momentum of the object?

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Physics, 22.06.2019 09:30, sdolina5

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Physics, 22.06.2019 13:40, mvongphakdy8746

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.