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long parallel wires separated by 75 cm carry 33 amperes each in opposite directionsa what magnetic force per length
captain planet measures the magnetic forces on a proton which is vertically falling at 1996 ms at the equator take the
the speed of light in a certain piece of clear plastic is 187 108 ms a ray of light strikes the plastic at an angle of
the coil in fig 28-49 carries current i 247 a in the direction indicated is parallel to an xz plane has 6 turns and an
a parallel- plate capacitor has plates of area 035 m2 with a separation of 20 mm the space between the plates is filled
a 150103-kg car starts from rest and accelerates uniformly to 191 ms in 120 s assume that air resistance remains
an airplane of mass 140 x 104 kg is in level flight initially moving at 560 ms the resistive force exerted by air on
a 420-kg projectile is fired at an angle of 300deg above the horizontal with an initial speed of 128102 ms from the top
in order for a car to turn along a curve in the road it must experience a centripetal acceleration according to an
obtain the fourier representation of the output of a full-wave rectifier plot the first three terms in the expansion
the electric motor of a model train accelerates the train from rest to 0600 ms in 170 ms the total mass of the train is
a particle with a charge of -9 x 10-6c and a mass of 13 g moves uniformly with a speed of 46 ms in a circular orbit
the rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides therefore
the maximum strength of the earths magnetic field is about 70 x 10-5 t near the south magnetic pole suppose we want to
there is a tree in the middle of your front yard and you take pictures of a squirrel as it runs around the tree when
a thin uniformly charged ring of radius a 10cm carries a total electric charge q36microcoulombs and rotates with
a child moves with a speed of 540 ms when positioned 140 m from the center of a merry-go-round calculate the net force
regarding the earth and a cloud layer 800 m above the earth as the plates of a capacitor calculate the capacitance of
two small non-conducting spheres eace of mass m carry an identical charge q if the length of the threads from which
the surface charge density on an infinite sheet is -20 x 10-6 coulomb an alpha particle is shot away from the plane at
a 115kg mail bag hangs by a vertical rope 35m long a postal worker then displaces the bag to a position 22m sideways
you would like to shoot an orange out of a tree with your bow and arrow the orange is hanging 500 m above the ground
a photon with energy 050 ev is barely capable of causing a photoelectric effect when it strikes a metal plate suppose
in the rutherford scattering experiment 330 mev alpha particles 4he nuclei containing 2 protons and 2 neutrons scatter
on a frictionless horizontal air track a glider oscillates at the end of an ideal spring of force constant 400 the