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two rods one of aluminum and the other of copper are joinedend to end the cross-sectional area of each is 40 x
two identical small insulating balls are suspended byseparate 025-m threads that are attached to a common point on
how many moles of oxygen can be obtained by the decomposition of 100 mol of reactant in the reaction 2kclo3 --gt 2kcl
an electron q -16e-19 c m 91e-31 kg has an initialvelocity t0 of v 16e5 ms j 24e5 ms k and is moving in a
a 1000 gram sample of an alcohol was burned in oxygen to poduce 1913g of co2 and 1174g of h2o the alcohol contained
if a student used 1245ml of their naoh solution to neutralize 1000ml of a 0543m khp solution then what is the
a home run is hit in such a way that the baseball just clearsa wall 21 m high located 130 m from home plate the ball is
suppose white light falls on two slits separated by a shortdistance one slit is covered by a red filter 700 nm andthe
a 10-turn circular couil of radius 20mm carries a current of050 a find the magnetic field magnitude at its
describe the glassware and the technique you would use to take part of a sample of a solution of concentration 100 and
two identical conducting spheres each having a radius of 07 cm are connected by a light conducting wire of length 09 m
calculate how many grams of solid naoh are needed to prepare 500ml naoh solution with a concentration of
a 251 kg wooden raft floats on alake when a 76 kg man stands on theraft it sinks 90 cm deeper into thewater when he
show how 14-diphenyl-13 butadiene might be synthesized from benzaldehyde and an appropriate halogenated
aparallel-plate capacitor has square plates of edgelength 12 cm and a platespacing of 011 mm if the gap between the
a gas follows the van der waals equation derive the relation between the third and fourth virial coefficients and the
a uniform rod rotates in a horizontal planeabout a vertical axis through one end the rod is 1400 mlong weighs 2333 n
how would you solve problem 52 from chapter 25 from the book fundamentals of physics if the battery remained
the angular momentum of a flywheel having arotational inertia of 0240 kg m2 aboutits axis decreases from 370 to 130 kg
the mean free path is the average distance a molecule will travel before colliding with another molecule from kinetic
an airplane flying at a distance of 86 km from a radio transmitterreceives a signal of intensity 12 muwm2 what isthe
a 1100 kg cannon which fires a 50 kg shell witha speed of 506 ms relative to the muzzle is set at anelevation angle of
a spring is first stretched 20 cm from its unstressed length it is then stretched an additional 17 cmhow does the work
a firehose 17 m long is uncoiled bypulling the nozzle end horizontally along a frictionless surface atthe steady speed
an airplane with a speed of 40 ms isclimbing upward at an angle of 52degwith respect to the horizontal when the planes