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a wire in which there is acurrent of 639 a is to be formed into a circularloop of one turn the permeability of free
a flask is filled with 153 l l liter of a liquid at 916 degc when the liquid is cooled to 103 degc its volume is only
a popular brand of cola contains 490 g ofcarbon dioxide dissolved in 100 l of soft drink if theevaporating carbon
a drum rotates around its central axis at an angular velocity of108 rads if the drum then slows at a constant rate of
a force of 62 newtons is applied to a wire with a diameter of05 mm what is the tensile stress in si units in the wirea
a spring k 812 nm ishanging from the ceiling of an elevator and a 48 kg object is attached to the lower end by how
in an rlc series circuit the phase angle between the currentand voltages is 30 degrees if the ac frequency doubles what
a particle of charge q and massm is moving with large velocity vand impact parameter d with respect to a smallplanar
a constant force of 160 n acts on abody in the horizontal direction the force moves the objectforward 75 m in 23 s what
a 7000-kg truck starts to roll down aroad with a 30 degree incline people rush to stop it how much force must they
a machine part rotates at an angular speed of 031 rads its speed is then increased to27 rads at an angular acceleration
what is the magnitude of the acceleration of a speck of clay on theedge of a potters wheel turning at 42 rpmrevolutions
find the mutual inductance of two entangled solenoids the cross-section areas of the solenoids are a1 anda2 and the
a railroad diesel engine coasting at 12 kmh runs into stationary flatcar the diesel weighs5 times as much as the
a guitar string is 60 cm long the string has a mass of 18 g andis under a tension of 945na calculate the wave velocity
a small blob of putty of mass m falls from the ceiling and lands onthe outer rim of a turntable of radius r and moment
a spacecraft moving away from earth emits a 4748 hz signal a scientist on earth measures thesignal to be 4747 hz what
a 0800nm x-ray photon is incident upon a free electron andthe electron recoils with a speed equal to 140x106msa what
you observe a 20 kg particle moving at a constant speed of35 ms in a clockwise directionaround a circle of radius 30 ma
a sealed cubical container 220 cm on aside contains three times avogadros number of molecules at atemperature of
a certain source of sound wavesradiates uniformly in all directions at a distance of 15 mfrom the source the intensity
a bullet with a mass of 06 kg hits a 50 kg block with an initialspeed of 225 ms the block is connected to a spring the
a 14580 kg automobile has a wheel basethe distance between the axles of 280m the center of mass of the automobile is on
a wire has a resistance of 600 ohms and is bent into a squareloop with sides of length 150 cm the loop is
a laser is mounted in air m above the edge of a large horizontalpane of crown glass n 1520 as shown in thedrawing the