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Two equally charged particles each have a mass of 0.015kg. They are suspended by a light string with a 60 degree angle between them. The distance from the suspension point to the charged particle is 0.4m. They reach an equilibrium position.
Find
a) the magnitude of the repulsive electric force.
b) the charge on each particle.
What frequency is heard by an observer who hears the 450-Hz siren on a police car traveling at 35 m/s away from her
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Two lenses, one converging with focal length 20.5cm and one diverging with focal length ?10.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
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The howler monkey is the loudest land animal and can be heard up to a distance of 1.3km. determine The acoustic power emitted by the howler
a student standing on a train staiton observes that the pitch (frequency) of the train decreases from 888.8 Hz to 862.8 Hz, What is the speed of the train
A toroidal solenoid has a mean radius of 18.00 cm and a cross-sectional area of 3.00 cm^2, What is the mutual inductance of these coils
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