Physics, 16.04.2020 22:25 marleacorey
A cell phone uses a 3.0 V battery. The circuit board it uses needs a 0.05 A current. What size resistor is needed to generate this current?
Answers: 3
Physics, 22.06.2019 02:30
Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddyโs power rating
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Physics, 22.06.2019 12:30
Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.
Answers: 2
Physics, 22.06.2019 13:40
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.
Answers: 2
A cell phone uses a 3.0 V battery. The circuit board it uses needs a 0.05 A current. What size resis...
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