Physics, 27.06.2019 09:30, ayoismeisalex

What is an example of potential energy to kinetic energy?

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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.

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Physics, 22.06.2019 15:10, deidaraXneji

In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_

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Physics, 22.06.2019 15:30, widnickab

What can you increase the strength of an electromagnet by

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Physics, 22.06.2019 17:30, dondre54

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves