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a tennis player receives a shot with the ball 00600 kg traveling horizontally at 560 ms and returns the shot with the
if 020 moles of cacl2 is added to 20000 ml of a 050m nacl solution calculate the final concentration of cl- in the
a large beach ball weighs 560g when there is no air inside fully inflated it has a circumference of 252cm a estimate
a river 1080 m wide flows toward the south at 356 mmin a girl on the west bank wishes to reach the east bank in the
a plane is headed due west with an air speed of 224 ms the wind blows south at 190 ms find the velocity of the plane
two blocks of equal massed are connected via a pulley system the mass of the pulley equals the mass of each block one
list the procedures to prepare 10000 ml of a 01m naoh solution from a 10 naoh solution mw of naoh4000 d of solution 10
object o1 is 147 cm to the left of a converging lens with a 108-cm focal length a second lens is positioned 100 cm to
a sphere of radius r and mass m is initially spinning about its center with a given angular velocity of omega the axis
a certain ship is shaped like a box with vertical sides and a flat bottom when the ship sails with cargo in the ocean
a screen is placed exactly one meter away from an illuminated test pattern a lens placed between them forms a clear
combustion of 651 mg of a compound yielded 2046 mg carbon dioxide and 836 mg of water at 100c and 760 torr pressure 100
at the surface atmospheric pressure is 1013 x 105 pa people can normally snorkel down to a depth of roughly one meter
suggest a reason why the rates of chemical reactions typically increase with increasing
in a series l-r-c circuit the components have the following values 215 165 and 400 the generator has an rms
how do you calculate the effective nuclear charge of an electron using slaters rules for
three thin rods are formed into a right triangle each of the sides has mass m and length l and the hypotenuse is of
breathing deep your professor inhales air at 0203 ms as the air goes through a constriction in his bronchus it doubles
a rectangle block of height l and horizontal cross-section area a floats at the interface between two immiscible
an 16--long bicycle crank arm with a pedal at one end is attached to a 23--diameter sprocket the toothed disk around
a 368g oscillator has a speed of 985cms when its displacement is 270cm and 720cms when its displacement is 500cm what