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a 412 kg woman starts from rest at the bottom of a flight of stairs that has a total height of 25 meters she reaches
in many problems where the potential energy is considered between two objects the potential energy is defined as zero
a 130 kg mass is traveling at 740 ms when it enters a region with frictionnbspthe coefficient of kinetic friction
off the coast of florida the gulf stream has a speed of 46 kmh and it has a water flow rate of 22 x 103 km3daynbspa
1 - a horizontal force ofnbsp20nbspnnbsppulls a block of massnbsp30nbspkgnbspacross a level floor the coefficient of
your physics textbook is sitting on an incline in lab which is set to an angle of 135 you notice that it is sliding
a 445 kg woman starts from rest at the bottom of a flight of stairs that has a total height of 226 metersnbspshe
heat transfer questionwater flows through a 5-cm-id copper tube that is 5 m long at the rate of 50 cms and is heated
two skaters each of mass 50 kg approach each other along parallel paths separated by 30 meters they have equal and
show that a solid cylinder of massnbspmnbspand radiusnbsprnbspis equivalent to a thin hoop of massnbspmnbspand
prove that the rotational inertia of a thin rod of lengthnbsplnbspabout an axis through its center perpendicular to its
on the issue of global warming some say the debate is over and the world must act now others say more research needs to
discuss the explanation of the apparent color of an object based on the color of the light illuminating
discuss your understanding of science and its processes as compared to the opinion of most that science is a body of
a water balloon slingshot launches its projectiles essentially from ground level at a speed of 250 msa at what angle
a man stands on the roof of a 15m tall building and throws a rock with a velocity of magnitude 300 ms at an angle of
a sample of hydrogen atoms are all in thenbspnnbsp 5 state if all the atoms return to the ground state how many
discuss the formation of urine explaining the microscopic anatomy of the nephron and its basic functions of filtration
a military helicopter on a training mission is flying horizontally at a speed of 600 ms when it accidentally drops a
design a simple annular flow heat exchanger assume both fluids are water and the cold fluid flowing in the outer tube
an electron circles at a speed of 14700 ms in a radius of 25 cm in a solenoid the magnetic field of the solenoid is
a 50 m diameter merry-go-round is rotating freely with an angular velocity of 050 rads its total moment of inertia is
a small rubber wheel is used to drive a large pottery wheel and they are mounted so that their circular edges touch the
the tires of a car makenbsp55nbsprevolutions as the car reduces its speed uniformly fromnbsp100nbspkmh tonbsp40nbspkmh
a cooling fan is turned off when it is running atnbsp900nbsprevmin it turnsnbsp1600nbsprevolutions before it comes to a