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an aluminum-alloy rod has a length of 10000 cm at 20000c anda length of 10015 cm at the boiling point of water what is
a solenoid 130m long and 260cm in diameter carries a currentof 180a the magnetic field inside the solenoid is 230mt
the inductance of a closely packed coil of 400 turns is 80mh calculate the magnetic flux through the coil when the
a find the frequency of reveolution of an electron with anenergy of 100ev in a uniform magnetic field of
an electron is accelerated from rest by a potential differenceof 350v it then eneters a uniform magnetic field of
a small loop of area 68mm2 is placed inside a long solenoidthat has 854 turnscm and carries a sinusoidally
if a rock is attached to a massless rigid rod and swung in avertical circle at constant speed it will not have a
a jetliner traveling northward is landing with a speed of 69ms once the jet touches down it has 750 m of runway in
100g of ice at 0 degree c is placed into 100g of warm water in aninsulated container the initial temperature of the
a water rocket launched from the ground rises verticallywith acceleration of 30 s2 for 1 s when it runs out of fuel
what is the diffraction pattern ofa a square array of dotsb a rectangular array of dotsc a parallelogram array of dots
an opaque container is 15 cm deep it contains only asingle coin when looking into the container at a viewing angle
a beam of light with red and blue components of wavelengths670 nm and 425 nm respectively strikes a slab of fused
a fine metal foil separates one end of 2 pieces of opticallyflat glass as in fig24-33 when light of wavelength 670nmis
a circlar metal disk of radius r rotates with angular velocity w about an axis through its center perpendicular to its
two polarizers are oriented at 38 degrees to one another light polarized at a nineteen degree angle to each polarizer
a hollow brass tube with adiameter of 345 cm is sealed at one end and loaded with lead shotto give a total mass of 0185
if you fire a cannonball straight upwards with a starting speed of20ms how high does it go and how long will it be in
a thin uniform metal bar 200 m long and weighing 900 n ishanging vertically from the ceiling by a frictionless
a water skier lets go of the tow rope upon leaving the end of ajump ramp at a speed of 147 ms asthe drawing indicates
it is desired to magnify readingmaterial by a factor of 25x when a book is placed 8cm behind alensa draw a ray diagram
a satellite is in a circular orbit around an unknown planet the satellite has a speed of 165 x104 ms and the radius of
a 110 kg hollowball with a radius of 0134 m filled with air is released fromrest at depth of 216 m in a pool of water
if the staircase is 25-m high and a 90-kg man runs up the staircase in 35s how much power does he use and what is his
a 60 multiplied by 104 kg space probe is traveling at a speed of 14000 ms through deepspace retrorockets are fired