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benjamin applies a force f over a distance x to a ropeconnected to a set of pulleys this raises a block of weight w
a generator is made from a set of 7000 loops of area 500 cm2rotating at an angular frequency of 600 radians per second
a 055 kg book moves vertically upwarda distance of 10 m and thenvertically downward 10 m returning toits initial
1 a duck is floating on a lake with 22 of its volume beneath thewater what is the average density of the duck2 a 050 m
19 in the spectrum of atomic hydrogen several lines are generally classied together as belonging to a series for
a 5-a current is maintained in a simple circuit that consistsof a resistor between the terminals of an idealbattery
a 82 kg diver steps off a 13 m tower and drops from rest straight down intothe water if he comes to rest 45 mbeneath
the problem states that 436g of an unknown alkali metal hydroxide is dissolved into 1000 ml of water it is then
a uniform electric field exists in a region between two oppositely charged plates an electron is released from rest at
a 5000 ml solution of 03050 m agno3 was added to a solution of aso43- ag3aso4 precipitated and was filtered off fe3 was
a 98 kg waterskier is being pulled at a constant velocity the horizontalpulling force is 270na find the magnitude of
suppose a solution of of naoh a strong base had been submitted for the nh3 a weak base in the procedure predict the
the change in heat for the solution proecss when solid sodium hydroxide dissolves in water is 444 kjmol when a 139 g
a skier starts from rest at the top of a hill that is inclined at95degwith the horizontal the hillside is 150 m long
a package falls out of an airplane that is flying in astraight line at a constant altitude and speed if you could
at the same instant that you fire a bullet horizontally from agun you drop a bullet from the height of the barrel if
a ship moves 102km dueeast and then 59km due north what are the magnitude and the direction of the resultant
a speed boat starts from rest and accelarates at 201ms2for 7 seconds at the end of this time the boat continues foran
a mountain climber jumps a 297 m wide crevasse byleaping horizontally with a speed of 811 ms if the climbersdirection
an electron is moving in a concentric circular orbit inside asolenoid of radius 489 cm in such a manner that it
a 12000 lb truck is southbound on the guadalupe street whenit enters the intersection with the mlk boulevard its
a proton moves in the xy-plane through a uniform magnetic field b200tx the protons velocity is 400x104 ms at an angleof
a jellyfish is floating in a water filled aquarium 100 m behind a flat pane of glass 600 cm thick having an index of
a block of mass 120 kg slides fromrest down a frictionless 400deg inclineand is stopped by a strong spring with k
a bat flies toward a moth at speed 815 ms while the moth isflying toward the bat at speed 506 ms the bat emits a sound