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a compact disk which has a radius of 60cm speeds up uniformly from zero to 43 revs in 32 swhat is the tengential
a distant galaxy is moving away from the earth with a speed that results in each wavelength received on the earth being
an inductor has a 570- reactance when connected to a 600-hz source the inductor is removed and then connected to a
a horizontal water main with a cross-sectional area of 208 cm2 necks down to a pipe of area 450 cm2 meters mounted in
a rectangular shape ferry boat is 477 m wide and 677 m long when a large loaded truck pulls onto it it sinks 365 cm
a particular garden hose has an inside diameter of 34 in the nozzle opening has a diameter of 14 in when the flow speed
a main supply pipe of radius 79 mm is connected to two pipes a and b of radii 483 mm and 340 mm respectively if the
a hydraulic jack is made with a small piston 12 cm in diameter that is used to move a large piston 61 cm in diameter if
suppose a radio station emits em waves uniformly in all directions what is the maximum power level of this radio
white light which is a mix of all visible wavelengths in the range of 400 nm to 700 nm reflects at normal incidence
a closely packed coil of 500 turns carriers a current of 20 a if the magnetic flux through the coil is 8 x 10-3 wb at
a 300 dc power supply has fully charged a 15 mf capacitor the charged capacitor is connected to a 20 mh inductor the
electric field of a sinusoidal electromagnetic wave obeys the equation e-375vm sin5971015radst199107radmxa what is the
a beam of light strikes a sheet of glass at an angle of 570deg with the normal in air you observe that red light makes
a rectangular wooden slab with length 20m width20m and height10m is used as a floating device in a play water pond the
suppose 20m long steel rods are used in 20m long slabs if on a hot day a speeding 18 wheeler can result an increase in
a hoop and a cylinder of the same mass and outer radius are rolled up an incline plane with the same speed which goes
a supertrain of proper length 200 m travels at a speed of 09 times the speed of light relative to the tunnel as it
red light n 1520 and violet light n 1538 traveling in air are incident on a slab of crown glass both colors enter the
king arthurs knights use a catapult to launch a rock from their vantage point on top of the castle wall 12m above the
an electron travels with v440 x 106 i ms through a point in space where e21 x 105 i -21 x105 j vm and b -12k t what is
an 18 mm wide diffraction grating has rulings of 710 lines per mm light is incident normally on the grating
x-ray photons wit a wavelength of 22nm are scattered off free electrons at an angle of 45 degrees what are the
a particle of charge 15 nc is placed at a corner of a gaussian cube with sides 120 cm what is the electric flux through
an unstable particle at rest breaks up into two fragments of unequal mass the mass of the lighter fragment is 230 10-28