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a wire 200 m long carries a current of100 a and makes an angle of 350deg with a uniform magnetic field of magnitude b
a tube of glowing gas emits light at 550nm and 400 nm in a double-slit apparatus what is the lowest order 550 nm bright
with two slits separated by 039 mm the interference pattern has bright fringes by angular spacing0075deg what is the
a 0100 kg block is suspended from a spring when a small pebble of mass 40 gis placed on the block the spring stretches
the index of refraction for a diamond for red light of wavelength 652 nm is 235 while that for blue light of wavelength
a proton traveling at 190deg with respect to a magnetic field of strength 270 mt experiences a magnetic force of
an electric field of 142 kvm and a magnetic field of 0386 t act on a moving electron to produce no net force if the
two campers carry their gear 907kg on a light rigid horizontal pole whose ends they support on their shoulders 183m
in a certain cyclotron a proton moves in a circle of radius0700 m the magnitude of the magnetic field is 140 ta what is
an electron with kinetic energy 150 kev circles in a plane perpendicular to a uniform magnetic field the orbit radius
the activity of a radioisotope is found to decrease by 30 in 1 weeknbsp what are the values of its decay constant
while driving at a constant speed of 66 kmh you are passed with a car traveling at120 kmh the frequency of light
ultrafast high power laserone of the highest power lasers in the world sits on a table in the general research lab
television broadcast antennaa television broadcast antenna is located at the top of a steep tall mountain the
if the shear stress in steel surpasses about 400108 nm2 the steel rupturesa determine the shearing force necessary to
a converging lens had a focal length f 51cm for blue light n157nbsp the index of refraction of this lens for red light
a baton twirler throws a spinning baton directly upward as it goes up and returns to the twirlers hand the baton turns
a discover the maximum net charge that can be placed on a spherical conductor of radius 24 cm before dielectric
a charge of 8 nc is uniformly distributed around a ring of radius 10 cm that has its center at the origin and its axis
a paperweight when weighed in air has a weight of w 246 n when completely immersed in water but it has a weight of win
out of a gamma beta and an alpha source what would be the best way to minimize radiation exposure given the
an object is placed 6 cm from a convex spherical mirror by a focal length of 3 cm estimate where the image is located
an ideal carnot heat engine operates between 40oc and 300oc if the engine absorbs heat at a rate of 40 kw at what rate
a chamber with a fixed volume of 10 mnbspnbsp 3 contains a monatomic gas at 30010nbspnbsp 2 k the chamber is heated to
an unstable particle at rest breaks up into two fragments of unequal mass the mass of the lighter fragment is 20010-28