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a 400kg bead slides on a curve frictionless wire startingfrom rest at point a at point b the bead collides
a billiard ball moving at 500 ms strikes a stationary ballof the same mass after the collision the ball moves at 433
a solution containting 145g of an unknown substance in 265g of succinonitrile was found to freeze at 344 degrees
the soluability of co2 in water is at 25 degree c and 1 atm is 0034 moll what is the mass of co2 found in a 335ml can
a parallel-plate capacitor has plates of area 016 m2separated by a distance of 0004 m what is the strength of the
a 120 g bullet is fired horizontally into a 100 g woodenblock that is initially at rest on a frictionless
calculate the molality of a 0052 m solution of ethyl alcohol in water at 25 degree celsius assume the density of the
a 1200 kg car is traveling initially with a speed of 250 msin an easterly direction crashes into the rear end of a
5g of oxygen combines with 3720g of uranium to form uranium oxide what percentage by mass of this compound is o and
a 700 kg bowling ball collides head-on with a 200 kg bowlingpin which was originally at rest the pin flies forward with
a solution of vinegar is 468 by mass acetic acid in water assuming the density of vinegar is 100 gml what is the
a 730-n man stands in the middle of a frozen pond of radius50 m he is unable to get to the other side because of a lack
a deepsea diver breathes compressed air with the partial pressure of n2 equal to 43 atm given the henrys law constant
if equal amounts of na2hpo4 and na3po4 are added in water calculate the resulting ph the pkas of phosphoric acid are 21
a plane accelerates from rest at a constant rate of 500 ms along a runway that is 1800 m nbsplong assume that the plane
a sphere of radius 20 cm and mass 18 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10
a liquid unknown was found to be insoluble in water and soluble in cyclohexane and alcohol the unknown was found to
two small plastic spheres each have a mass of 20 rm gand a charge of-500rm rm nc they are placed20 rm cmapart by what
an 80 kg skier starts down a flat slope that makes a 16 degree angle with respect to the horizontal if the skier began
a pitcher claims he can throw a 0145-kg baseball with as muchmomentum as a 300-g bullet moving with a speed of 150 x
the average osmotic pressure of seawater at 25 degree celsius is approximately 30 atm assuming that seawater is a
a ball having amass of 150 g strikes a wall with aspeed of 48 ms and rebounds withonly 50 of its initial kinetic
suppose that a projectile which is subject to a linear resistive force is thrown vertically down with a speed vyo which
why does low molecular weight alcohols tend to be more soluble in water than high molecular weight
a 118 g cube of ice at 0degc isdropped into 10 kg of water that was originally at 84degc what is the final temperature