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water flows at 051 ms through a pipe14 cm in diameter when the pressure is175000 pa the pipe the goes up7 m before
a storage tank 25 m hight is filled with gasolinea find the gauge pressure at the bottom of the tankb calculate the
through an enolate ion reaction aldol condensation claisen condensation acetoacetic ester or malonic ester synthesis
flourine in its ionic form carries an excess of 1 negative charge if the element fluorine has an atomic number of 9 and
it is determined by immersing a crown in water that itsvolume is 39in3000225ft3a what would its weight be if it were
you push a block with a constant force of magnitude 125n for adistance of 10 meters the block weighs 10 kg and
determine the ionization energy of a hydrogen atom in kjmol if the electron is in its ground state hints use the
consider 55 l of gas at a pressure of 30 atm in a cylinder with a movable piston the external pressure is changed so
a 40 kg box sliding on a frictionless surface explodes into two equal sized parts one travels due north at 30 ms and
a sled slides down a small ice- covered hillno friction if thesled starts from rest at the top of the hill ts speed at
suppose an object is placed at the edge of a recordplayer the record player has a diameter 300cm and rotatesat 333 rpm
a system gains 3690 j of heat at a constant pressure of 127times 105 pa and its internal energy increases by4100 j what
1- a spaceship of a triangular shape having a length twice itswidth is capable of relativistic speeds how fast would it
a 629 kg astronaut is on a space walk when the tether line tothe shuttle breaks the astronaut is able to throw a 11 kg
a 350 g objectconnected to a spring with a force constant of 200 nm oscillates on a horizontalfrictionless surface with
a simple pendulum has a mass of 0550 kg and a length of 400 m it is displaced through an angleof 550deg and then
an airplane is flying in a horizontal circle at a speed of 103 ms the 740 kg pilot does not want the centripetal
a 041 kg soccer ball approaches a player horizontally with a velocity of 17 ms to the north the player strikes the ball
a 90 kg man drops from rest on a diving board 3 meters above thesurface of the water and comes to rest 059seconds after
in a series circuit a generator 1332 hz148 v is connected to a 150-omega resistor a 417-microf capacitor and a 582-mh
a man pushes a 20 kg broom at constant speed across thefloor the broom handle makes a 50 degree angle with thefloor he
an undersea research chamber is spherical with an external diameterof 620 m the mass of the chamber when occupied is
what is the effect of a temperature change from 205 k to 32 degrees celsius and a pressure change from 2 atm to 101
what is the effect of a pressure change from 760 torr to 202 kpa and the temperature changes from 37 degrees celsius to
an archeologist on a dig finds a fragment of anancient basket woven from grass later it is determined that thecarbon-14