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find the equivalent capacitance of a 4 uf 6uf and 8uf capacitor connected in parallel that has a 12 volt battery
a vacuum cleaner is connected to a 120v socket and uses 30 a when the back emf generated by the electric motor is 72
an open train car with a mass of 2130 kg coasts along a horizontal track at the speed 241 ms the car passes under a
a pipe 00178 m in diameter and 016 m long can transfer 3726 j of heat per second with a temperature difference across
a electron enters a magnetic field of 03 t at an angle of 45 degrees and with a speed of 5 e5 ms find the force on the
two wires are identical except that one is silver resistivity 159times10-8 middotm and the other is platinum
in a double-slit experiment the second-order bright fringe is observed at an angle of 062deg if the slit separation is
a 300102-ev electron and a 100102-ev electron trapped in a uniform magnetic field move in circular paths in a plane
a diffraction grating with 280 lines per mm is used in an experiment to study the visible spectrum of a gas discharge
two straight wires run parallel to each other each carrying a current in the direction shown below the two wires
according to the definition of work the work done by an external force in moving a heavy crate along a horizontal
a solid uniform spherical boulder rolls down the hill as shown in the figurefigure 1 starting from rest when it is h
two blocks are connected by a light cord one block of mass 4kg sits on a horizontal table with static and kinetic
in figure 2012 a small particle of charge q -70 x 10-6 c and mass m 31x10-12 has velocity vo 94x103 ms as it enters
a beam of electrons is accelerated through a potential difference of 10 kv before entering a region having uniform
two blocks are attached by a light string with one resting on a rough table and the other hanging over the edge via a
the tungsten filament in the 36 ohm bulb is 8 mm long and has a cross-sectional area of 2e-10 m2 what is the magnitude
a horizontal spring-mass system has low friction spring stiffness 200 nm and mass 04 kg the system is released with an
when a 320-v emf device is placed across two resistors in series a current of 110 a is flowing in each of the resistors
two wires are identical except that one is silver resistivity 159times10-8 wmiddotm and the other is platinum
the drawing shows a circus clown who weighs 725 n the coefficient of static friction between the clowns feet and the
a baseball is thrown with an inital velocity of 20 ms along the horizontal axis and 15 ms along the vertixal axis the
bob m 60kg is wearing a sticky suit just as he reaches his desired speed of 6ms he reaches the edge of ice assume the
in a liquid with a density of 1500 kgm3 longitudinal waves with a frequency of 420 hz are found to have a wavelength
a uniform marble rolls down a symmetric bowl starting from rest at the top of the left side the top of each side is a