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a cardboard milk container has two holes one above the otherpunched in its side at a given moment the two escaping
two 140 kg lead spheres are suspended from 200 m-long massless cables the tops of the cables have been carefully
a balloon was filled to a volume of 250 rm l when the temperature was rm 300circc what would the volume become if the
the buildup of plaque on the walls of an artery may decrease itsdiameter from 11 cm to 071 cm the speedof blood flow
mars travels at an average speed of 241times104 ms around the sun and takes 594times107 s to complete one revolution
the internal energy change e for the conversion of 1 mol of compound a to compound b is 02 kj both a and b are solids
a runner rounds a circular curve ofradius 240 m at a constant speed of560 ms what is the magnitude of the runners
a 50 g bullet is fired from a gun into a 10000 g block of woodsuspended on a string causing the block to swing upwards
an electron in the hydrogen atom makes a transition from an energy state of principal quantum number ni to the n2 state
kyle pushes a box across a rough floor with a horizontal force of 15n if the box has a mass of 22kg and it accelerates
sulfuric acid is added to potassium permanganate then hydrogen peroxide is added identify the product complete the
a violin string vibrates at 294 hz whenunfingered at what frequency will it vibrate if it is fingeredone third of the
pyridine is a weak base that is used in the manufacture of pesticides and plastic resins it is also a component of
suppose a rotation for s--ethyl 3-hydroxybutanoate of 372 is reported to correspond to an enatiomeric excess of 85 what
arlene is to walk across a high wire strung horizontally betweentwo buildings 100m apart the sag in the rope when she
a boy of mass 303 kg jumps off a diving platform238 m high he lands in the water and goes under a distance148 m before
why does ionization of a tertiary substrate proceed at a rate faster than that of a secondary substratehow would
your professor enters the dogsled race during winter break to getstarted he pulls his sled a mass 80 kg with a force of
in an excess of nh3 aq cu2 forms a deep blue complex ion cunh342 which has a formation constant kf 561011 calculate
an archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 350 ms on a smooth
a baseball is hit directly in line with an outfielder at an angleof 35 degrees above the horizontal with an initial
write molecular orbital theory for b3 bcl3 ch4 bef2 including molecular orbital
a tennis ball of mass 570 g is held just above a basketballof mass 590 g with their centers vertically aligned
in the determination of the mno2 content of an ore a 05261 g of it was treated with 07049 g of na2c2o4 in an acidic
a load of 100lbs is applied to the lower end of a steel rod 3 ftlong and 20in in diameter how much will the rod