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water which can be considered to be an ideal fluid for thisquestion flows at a rate of 25lmin through a pipe of
a tank contains 116 g of chlorine gas cl2 at a temperature of 81 degc and an absolute pressure of 502 105 pa the mass
a dab of mud mass 01 kg and sitting 025 m from the center flies off a horizontal spinning wheel when the wheel takes 1
a hydrolic lift starting with both pistons at the same height isused to jack a 970kg car 12cm off the floor in steps
a solar collector is placed in direct sunlight where it absorbs energy at the rate of 903 js for each square meter of
a rectangular wooden block measures 100 400 200 when the block is placed in water it floats horizontally with its
a 64g bullet traveling at 250 ms penetrates a block of ice at 0 c and comes to rest within the ice assuming that the
big ben the parliament building tower clock in london has hour and minute hands with lengths of 270 m and 450 m and
a 070 kg block is hung from and stretches a spring that is attached to the ceiling a second block is attached to the
a charge of q is located atthe origin while an identical charge is located on the xaxis at x 049 m a thirdcharge of 4q
a teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a
a computer monitor accelerates electrons and directs them to thescreen in order to create an image if the
a 200 kg particle moves in the xy plane with a velocity of v 400 - 330 ms determine the angular momentum of the
a point charge at the origin of a coordinate system produces the electric field e 36000 ncx on the x axis at the
in exercise physiology studies it is sometimes important to determine the location of a persons center of mass this can
some good estimates about the human body can be made if it isassumed that we are made mostly of water the mass of a
a monkey is chained to a stake in the ground the stake is 300m from a vertical pole and the chain is 34m long how high
q1 consider an infinitely large non-conducting sheet in the xy-plane with uniform charge density sigma write down
a beam of 861 mev protons is incident on a target of 2713al those protons that collide produce the reaction shown below
a football is kicked at 45degrees and travels 82m before hittingthe grounda what is its initial velocityb how long is
a vertical-axis capstan drum 60 cm in diameter was used to pull inthe anchor chain of a whaler a century ago six
a sound wave from a siren has an intensity of 985 wm2 at a certain point and a second sound wave from a nearby
a group of hikers hears an echo 280 s after shouting how far away is the mountain that reflected the sound wave assume
a dolphin located in sea water at a temperature of 25degc emits a sound directed toward the bottom of the ocean 160 m