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electric current is creating magnetic field if an electric current is flowing througha coild wire such that it circles
after the second exam your evil instructor is finally thrown upinto the air at the edge of a cliff with a velocity of
an alternating source drives a series rlc circuitwith an emf amplitude of 580 v at aphase angle of 325deg when
an lc oscillator consists of a 200 nf capacitor and a 110 mh indictor the maximum voltage is450 v what area the
a physics student propses to pull their car out of a mudhole on a country road by stretching a rope between the front
a catfish is 590 m below the surface of a smooth lake what is the diameter of the circle on the surface through which
a crate of mass 100 kg is pulled up a rough incline with aninitial speed of 150 ms the pulling force is 1000 nparallel
a laser emits 130x1018 photons per second in a beam oflight that has a diameter of 200mm and a wavelength
a parallel-plate capacitor has fixed charges q and-q the separation of the plates is then doubled by what factor does
a microscope has an objective lens with a focal length of1622 mm and an eyepiece with a focal length of 940 mm with the
a block of mass 250 kg is pushed 220 m along a frictionlesshorizontal table by a constant 160 n force directed 250
8 lights are connected in parallel to a 110 v source by two long leads of total resistance 16 ohms if 240 ma flows
the skier has just begun descending the 30 degree slopenbsp the coefficient of sliding friction is 010nbsp calculate a
an ac generator emf is e em sin wd t with em 300 v andwd 309 rads it is connected to a 171 h inductora what is the
a few decades ago trucks had chains hanging down from ther back trailers that contacted the ground this was extremely
to construct an oscillating lc system you can choose from a 10 mhinductor a 56 microf capacitor and a 10 microf
in a certain cyclotron a proton moves in a circle of radius 0650m the magnitude of the magnetic field is 150 ta what is
a beam of light is traveling in air and strikes a material theangles of incidence and refraction are 502deg and
a bowling ball encounters a 760 m vertical rise on the way back tothe ball rack ignore frictional losses and assume
the latent heat of vaporization of steam is 539 calg by howmany joules does the internal energy of 1 g of steam change
there are two light bulbs in a circuit powered by one battery one light bulb is a 100 watt light bulb and the other a
suppose the coefficient of static friction between the road and the tires on a car is 060 the car has no negative lift
an 815-kg race car can drive around an unbanked turn at a maximum speed of 61 mswithout slipping the turn has a radius
a 1200kg pick up truck traveling south at 15ms collides witha 750kg car traveling east the two vehicles stick together
a 900 kg car traveling at an angle of 30 south ofeast at 18 ms collides with a 750 car traveling north at 23msthe cars