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an arrow starting from rest leaves the bow with a speed of250ms if the average force exerted on the arrow by the
in an experiment a rectangular block with height h is allowed to float in two separate liquids in the first liquidwhich
a solenoid has a cross-sectional area of 560 x 10-4 m2consists of 500 turns per meter andcarries a current of 04 a a 10
four very thin rods each 90 m long are joined to form a squarethe center of mass of the square is located at the
a 323cm diameter coil consists of 19turns of circular copper wire 200mm in diameter the resistivityof copper is
a dilute ideal gas of atoms each of mass m at temperature tau is placed in a cetrifuge rotating with angular velocity
the figure below shows a resistor of resistance r 616omega connected to an ideal battery of emf 149 v bymeans of two
solenoids produce magnetic fields that are relativelyintense for the amount of current they carry to make a
maricru slides a 600-kg crate up an inclined ramp that is20-m longg and attached to a platform 10 m above floor level
the flywheel of a steam engine runs with a constant angular speedof 150 revmin when steam is shut offthe friction of
starting from rest a solid steel sphere rolls from the top of an incline to the bottom reaching a translational speed
a 129 komega resistor and a capacitor are connected in series andthen a 120 v potential difference is suddenly applied
62 a 170-kg crate is to be pulled a distance of 200 m requiring1210 j of work to be done if the job is done by
when the reddish brown mercury ii oxide hgo is heated it decomposes to its elements liquid mercury metal metal and
in 98 s afisherman winds 26 m of fishing line onto a reel whose radius is30 cm assumed to be constant as an
a girl is skipping stones across a lake one of the stonesaccidentally ricochets off a toy boat that is initially at
the ph of a bicarbonate-carbonic acid buffer is 780 calculate the ratio of the concentration of carbonic acid h2co3 to
a 01236-g sample of an unknown monoprotic acid was dissolved in 258 ml of water and titrated with 00680 m naoh solution
in san francisco a very simple technique is used to turn around a cable car when it reaches the end of its route the
assignment 1 philosophy and mediaby saturday january 10 2015 respond to the assigned discussion questions and submit
a fragrance compound with molecular weight of 136 gmol is to be added to an aqueous solution to form a consumer product
1- discuss the major assumptions and various types of constructivism2- summarize the major processes in piagets theory
a pendulum consists of a mass m 0120 kg hangingfrom a flexible string of length l the string is very thin verylight
assignment 3 logical fallacies and the newsidentify a current event or contemporary social issue that you are
a sled is initially given a shove up a frictionless 260deg incline it reaches a maximum verticalheight 145 m higher