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a 34-cm-diametere potters wheel with a mass of 20 kg is spinning at 180rpm using her hands a potter forms a pot centred
as a parallel-plate capacitor with circular plates 21 cm in diameter is being charged the current density of the
the energy difference between parallel and antiparallel alignments of the z component of an electrons spin magnetic
in a cyclotrona why do particles having different speeds take the same amount of time to complete a one-half circle
how fast can you set the earth moving in particular when you jump straight up as high as you can what is the maximum
a 50 kg pole vaulter running at 10 ms vaults over the bar her speed when she is above the bar 10 ms neglect air
a ball of circumference 727 cm and mass 605 g is forced to the bottom of a swimming pool and then released after
when beryllium-7 ions m 1165 x 10-27 kg pass through a mass spectrometer a uniform magnetic field of 0327 t curves
a series rlc circuit is driven by an alternating source at a frequency of 410 hz and an emf amplitude of 900 v the
an airplane with a speed of 891 ms is climbing upward at an angle of 484 deg with respect to the horizontal when the
complete reaction of 400 grams al at 25 celsius and 100 atm releases 1241 kj heat to the surroundings what is the
using the following monomer draw the mechanism for the formation of the polymer stopping after attaching three units
what accounts for the structural differences between diamond and graphite since both have the same atomic
calculate the weight of iron ii sulfate heptahydrate which is crystallized from the 80 g solution of iron ii sulfate
when a 250 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 276 cm
neutron stars are extremely dense objects that are formed from the remnants of supernova explosions many rotate very
ch3ohg ---gtcog2h hrxn907 kjmol rxn suppose 100 mole of ch3oh reacts completely at 120 atm and 101 celsius what is the
a 200g 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm a 20g block sits at the
at a given temperature 0300 mole no 0200 mol cl2 and 0500 mol clno were placed in a 250 liter container the following
a particle has a charge of q 52 microc and is located at the origin as the drawing shows an electric field of ex 229
a small amount of mgcl2 solution is added to a 25 ml aliquot of the solution in problem 1 and the mixture is titrated
an elastic ball a with mass m is released from a horizontal position connected via a massless string to a rod when the
what is the equilibrium constant expression of the reaction system coosh2
a 1500-g sample of metal at 80 degree celsius is added to 1500g of h2o at 200 degree celsius the temperature rises to
a fire hose ejects a stream of water at an angle of 365 degrees above the horizontal the water leaves the nozzle with a