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3 an air-conditioning system is shown in fig in which air flows over tubes carrying refrigerant 134a air enters with a
for the composite shaped areas determinea the centroid using the composite areas method ynbsponly b the moment of
question two vertical forces are applied to a beam of the cross section shown determine the maximum tensile and
1 two vertical forces are applied to a beam of the cross section shown determine the maximum tensile and compressive
transverse sbs consider the possibility of exciting sbs in the transverse direction by a laser beam passing through a
suppose an individual enjoys lawn care and gardening a great deal he uses pesticides to control insects and the harmful
particle with constant radial velocitya particle moves in a plane with constant radial velocity r 4 ms starting from
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rolling tirea tire of radius r rolls in a straight line without slipping its center moves with constant speed v a small
spiraling particle a particle moves outward along a spiral its trajectory is given by r atheta where a is a constant a
the rigid beam rests in the horizontal position on two 2014-t6 aluminum cylinders having the unloaded lengths shown the
tablecloth trick if you have courage and a tight grip you can yank a tablecloth out from under the dishes on a table
mass and axle a mass m is connected to a vertical revolving axle by two strings of length l each making an angle of 45
synchronous orbitfind the radius of the orbit of a synchronous satellite that circles the earth a synchronous satellite
pulleys and rope with friction the system shown uses massless pulleys and rope the coefficient of friction between the
mass string and ring a mass m whirls around on a string which passes through a ring as shown neglect gravity initially
bead on roda small bead of mass m is free to slide on a thin rod r omega m the rod rotates in a plane about one end at
turning car a car enters a turn whose radius is r the road is banked at angle theta and the coefficient of friction
orbiting spheresfind the shortest possible period of revolution of two identical gravitating solid spheres that are in
rope and treesa uniform rope of weight w hangs between two trees the ends of the rope are the same height and they each
tension in a ropea uniform rope of mass m and length l is attached to a block of mass m the rope is pulled with force f
block and wedgea block rests on a wedge inclined at angle theta the coefficient of friction between the block and plane
spinning loop a piece of string of length l and mass m is fastened into a circular loop and set spinning about the