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for the cellar of a new house a hole is dug in theground with vertical sides going down 240m a concrete foundationwall
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
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
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
an archeologist on a dig finds a fragment of anancient basket woven from grass later it is determined that thecarbon-14
an ideal gas initially at 408 kis compressed at a constant pressure of 34 nm2 from a volume of 30m3 to a volume of 18
a photographic slide is to the left of a lens the lens projects animage of the slide onto a wall which is a distance of
an object is a distance of s from the center of a silvered spherical glasschristmas tree ornament which has a diameter
a 25kg child stands on the rim of a 200 kg merry-go-round that has a radius of 3 m the merry-go-round is rotating
a 5 kg bucket is attached to a disk-shaped pulley of radius 015m and mass 15kg if the bucket is allowed to fall what is