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a horizontal pipe carries oil whose coefficient of viscosity is000012 nmiddotsm2 the diameter of the pipeis 37 cm and
a 343 kg child starting from rest slides down a water slidewith a vertical height of 207 m neglect frictiona what is
as a 20-kg block travels around a 050-m radius circle it has anangular speed of 12 rads the circle is parallel to the
a geode is a hollow rock with a solid shell and an air-filled interior suppose a particular geode weighs twice as much
a satellite with a mass of 350 kg moves ina circular orbit 500 107 m above the earths surfacea what is the
two spheres are placed so that their centers are 26m apart theforce between the two spheres is 127510-12n what is the
a uniform ring of mass 3 kgand radius 5m is rotating about its axis of symmetry withan angular speed of 2 rads how much
a long uniform rope with a mass of 0100 kg per meter lies on the ground you grab one end of the rope and lift it at the
a 250 kg gold bar at 28oc is placed in a largeinsulated 0800 kg glass container at 150oc with200 kg of water at 250oc
three blocks abc each having mass m are connected by strings as shown block c is pulled to the right by a force f that
a car of mass 1500 kg rounds a circular turn of radius 20m if theroad is flat and the coefficient of static friction
three resistors 25 45 and 75 ohms are connected in series and a 051-a current passes through them what is a the
a sample of helium behaves as an ideal gas as it is heated atconstant pressure from 273 k to 343 k if230 j of work is
when an incandescent light bulb is turned on the tungsten filament becomes white hot the temperature coefficient of
a 011-kg balloon is filled with heliumdensity 0179 kgm3 if the balloon is a sphere witha radius of 50 m what is the
a tugboat pulls a ship with a constant net horizontal force of 2720 newtons and causes the ship to move through a
two light bulbs are designed for use at 120 v and are rated at 75 w and 150 w which light bulb has the greater
a catcher gives with a baseball when catching it if the baseball exerts a force of 463 newtons on the glove such that
an electron of kinetic energy 144 kev circles in a planeperpendicular to a uniform magnetic field the orbit radius is
an antitank weapon fires a 30 kg rocket which acquires a speed of 50 ms after traveling 90 cm down a launching tubenbsp
a shopper in a supermarket pushes a cart with a force of 36 newtons directed at an angle of 26 degrees downward from
a flatbed truck carries a load of steel only friction keeps the steel from sliding on the bed of the truck the driver
wxe consider the harmonic oscillator in one-dimensionh -h2md2dx2 12momega2x21 write down the lowest energy ground
two pianos each sound the same note simultaneously but they areboth out of tune on a day when the speed of sound is 343
you push a 325-n trunk up a 200 degree inclined plane at aconstant velocity by exerting a 211-n force parallel to the