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in the figure the coefficient of kinetic friction between thesurface and the larger block is 020 and the coefficient of
a mass sitting on a horizontal frictional surface is attached toone end of a string the other end of a wall 60 j of
a surveyor is using a magnetic compass 65 m below a power line in which there is a steady current of 100 a what is the
two concentric circular wire loops of radii r1 170 cm and r2 257 cm are located in anxy plane each carries a clockwise
a capacitor is constructed of two concentric conductingcylindrical sheels the radius of the inner cylindrical shell
an axon is the relatively long tail-like part of a neuron ornerve cell the outer surface of the axon membrane
an electron is released from rest at the negative plate of aparallel plate capacitor and accelerates to the positive
two polarizers are oriented at 42o to each other and apolarized light is incident on them if only 16 percent of
light of wavelength 500 nm falls at near normal incidence on two glass flats separated by a sheet of mylar 005 mm thick
two waves are described by the wave functionsnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp y1 x t 5 sin2x ndash 10t
an alpha particle is a helium nucleus that consists of two protonsbound with two neutrons an alpha particle moving
a person of mass 715 kg is initially atrest on the edge of a large stationary platform ofmass 160 kg supported by
light is emitted from atoms whenever electrons transition to lowerenergy levels you have a detector capable of
in serving a tennis player accelerates at 56 kg tennis ball horizontally from rest to a speed of 30 msnbsp assuming
in loading a fish delivery truck a person pushes a block ofice up a 20 degree incline at a constant speed the push
an object is placed 30cm to the left of a lens with a focal length 25cm a second lens -22cm is placed 80 cm to the
two radio antennas are separated by 20 m both broadcast identical 750 mhz waves if you walk around the antennas in a
a pendulum 10 m long is pulled aside to the position wherethe 400 g bob has been raised verticall a distance of 10 cm
a person is standing on crutches assume that the forceexerted on each crutch by the ground is directed along the
the graph shows how the force component f cos along the displacement varies with the magnitude s of the displacement
suppose the three resistors in the circuit have the values of r1180 ohms r2300ohms and r3450 ohms and that the emf of
in a dream you find yourself pushing a huge boulder up a verysteep 35 degree hill that is 75 meters high the boulder
two is otropic point sources of light s1 ands2 are separated by a distance d 250mum along a yaxis and emit in phase at
two polarizers are oriented at 30o to each other and apolarized light is incident on them if only 14 percent of
raul pushes a stalled car with a force of 204 n if the requiredforce decreases at a constant rate from 204 n to 440 n