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question a classroom full of people uses 7560w of metabolic power during a lecture an air conditioner is keeping the
problem a 79 kg object undergoes an acceleration of 31 ms2part a what is the magnitude of the resultant force acting on
question a 0525kg ball starts from rest and rolls down a hill with uniform acceleration traveling 100m during the
problem a parallel-plate capacitor is to be constructed by using as a dielectric rubber with a dielectric constant of
question a mover has to move a heavy sofa of mass 146 kg to the second floor of the house he uses a rope to pull the
problem a rifle bullet with a muzzle speed of 330 ms is fired directly into a special dense material that stops the
question two radio antennas are 120 m apart on a north-south line the two antennas radiate in phase at a frequency of
problem an objects velocity is v ct3idj where t is time and c and d are positive constants with appropriate unitspart a
question a bullet of mass 0034 kg is fired horizontally with a speed of 70 ms from a tall bridge if the bullet is in
solve the all parts of given problemproblem the operator of a linear accelerator tells a tour group that it is used to
compute all parts of given questionquestion a rocket blasts off vertically from rest on the launch pad with an upward
question a ball is thrown off a 24 m high cliff at 7 ms 50o above the horizontalquestion 1 how long does it take to hit
solve the all parts of given problemproblem a series combination has a battery v 18v a switch initially open a
compute all parts of given questionquestion a battery with an emf of 220 v has an internal resistance of r it is
solve the all parts of given problemproblem when a ball is dropped through a height its potential energy changes
solve the all parts of given questionquestion a block with mass ma 150kg on a smooth horizontal surface is connected
problem a skateboarder with an initial speed of 38ms rolls virtually friction free down a straight incline of length
question to study the effect of using synthetic fuels on co2 emissions consider a compact passenger car that runs on
question an oil company refines crude oil valued at 62barrel and sells it to motorists at its retail outlets the price
solve the following questionsquestion i locate the current world price of oil usbbl coal bituminous coal per tonne and
problem calculate the ideal carnot efficiency of a steam turbine that utilizes steam at a temperature of 575degc and
question an average person can produce considerable power output for short periods of time however over an entire
solve the following problemproblem estimate the average force exerted by a shot-putter on a 70-kg shot if the shot is
question a silver wire of diameter 20 mm carries a current of 160 ma the density of conduction electrons in silver is
problem a subway train starts from rest at a station and accelerates at a rate of 166ms2 for 142s it runs at constant