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a 120kg refrigerator is at rest on a kitchen floor mu of s 043 and mu of k 027 how much force is needed to move the
a 610 skier is moving at 615 on a frictionless horizontal snow-covered plateau when she encounters a rough patch 355
when 342 ml of a 102 m naoh solution is added from a burette to 2500 ml of a phosphoric acid solution that contains
a beaker with 100 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
what can make the titrated solution at the equivalence point in an acid-base titration have a ph not equal to
two cylindrical artificial bones are made of the same material and length one with twice the radius as the other when
a horizontal spring with spring constant k is on a frictionless surface with one end of the spring fastened to a wall
sometimes the structure of phosphoric acid is written with single bonds to both the oh groups and to the oxygen atom
1-for the fan powered glider moving along the track the equation of the motion is a- straight lineb-ag sin angle for
one of the 1000 kg car moves west at 40 ms while the second moves east from the same starting point at a constant
a thick spherical shell of charge q and uniform volume charge density is bounded by radii r1 and r2 where r2 gt r1
calculate the force between two wires each 098 m long carrying 29 a current in opposite directions and separated by 16
the acceleration due to gravity is 98 ms2 at las vegas nevadaa what is the weight of a 63n bag of potatoes in las
a 527-kg object passes through the origin at time t 0 such that its x component of velocity is 495 ms and its y
two blocks are free to slide along the frictionless wooden track shown below the block of mass m1 494 kg is released
what is the volume of the solution that would result by diluting 7000 ml of 919times10-2 m rm naoh to a concentration
a large rectangular tub is filled to a depth of 260 m with olive oil which has density 915 kgm3 if the tub has the
a 022-kg stone is held 12 m above the top edge of a water well and then dropped into it the well has a depth of 51 m a
two long parallel wires are separated by a distance of 28 cm the force per unit length that each wire exerts on the
a reaction rate increases by a factor of 1000 in the presence of a catalyst at 25 c the activation energy of the
sulfuryl chloride so2cl2 decomposes by first-order kinetics and k 281 x 10-3 min-1 at a certain temperaturea determine
an electron makes a transition from n 8 to n 3 what is the energy associated with this
1 what are the electron configurations of the following metal ions fe3 zr4 and co32 draw a the high-spin electron
you have just moved into a new apartment and are trying to arrange your bedroom you would like to move your dresser of
a 21 kg block of wood rests on a long tabletop a 118 g bullet moving horizontally with a speed of 156 ms is shot into