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four equal charges q435c of mass m 435kg are at the corner of a square of side l00237ma if an equivalent charge of the
a solenoid contains 780 coils of very thin wire evenly wrapped over a length of 175cm each coil is 250cm in diametera
a circular metal loop is 260 cm in diametera how large a current must flow through this metal so that the magnetic
you want to produce a magnetic field of magnitude 550times104 t at a distance of 400times102 m from a long straight
lets say if ahmad walked 6 steps east 4 steps north and then 3 steps east how many steps did he
an arrangement of two pulleys as shown in the figure is used to lift a 500-kg mass a distance of 470 m above the
a 123-kg box slides up an incline plane with a speed of 86 ms if the angle of the plane with respect to the horizontal
a force is applied to a 100-kg go-cart to accelerate it from 100 ms to 200 ms over a 700 s time frame if the
a 0244 h inductor is connected to a capacitor and a 445 resistor along with a 372 hz 461 v generatorto what value
an rlc circuit is used to tune a radio to an fm radio station broadcasting at 337 mhz the resistance in the circuit is
a 16 microf capacitor and a 23 h inductor are connected in series with a 60 hz source whose rms output is 119 vfind the
a 100-kg object moves on a level surface with a coefficient of friction of 040 if the initial velocity is 15 ms how
a certain capacitor in a circuit has a capacitive reactance of 269 when the frequency is 189 hz what capacitive
a 509-f capacitor is discharged through a resistor whereby its potential difference decreases from its initial value of
a golf club strikes a 0059 kg golf ball in order to launch it from the tee for simplicity assume that the average net
you are trying to lift a stack of books off the table the stack of books has a mass of 15 kg what minimum upward force
a block of mass 250 kg is pushed 220 m along a frictionless horizontal table by a constant 200 n force directed 250deg
100 g of a certain radioactive sample are sealed into a container after 10 years only 25 g remain what is the half life
a flat rectangular coil 520 cm by 105 cm contains 340 turns of wire if the coil is placed in a uniform magnetic field b
a patients heart pumps 42l of blood per minute into the aorta which has a diameter of 22cm the average force exerted by
two blocks are connected by a string the smooth inclined surface makes an angle of 35 degree with the horizontal and
a uniformly charged infinite sheet with a surface charge density lies flat in the x-y plane find the electric field
the skier starts at a snow covered slope which is inclined 20 degrees above the horizontal the skier has a mass of
suppose a cart was given a push down a ramp starting at the end close to the motion detector describe what the
the electric field between the plates of a parallel-plate capacitor is horizontal uniform and has a magnitude e a small