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a person who weighs 635 n steps onto aspring scale in the bathroom and the spring compresses by075 cma what is the
a string is wrappedaround a cylinder of radius 65 cm and pulled so that the tensionin the string is 14 n what is the
an airplane propeller is rotating at 1900 rpm revmina compute the propellers angular velocity in radsb how many seconds
an electron enters a region of magnetic field of magnitude 0010 0t traveling perpendicular to the linear boundary of
a 1050-kg sports car is moving westbound at 150 ms on a levelroad when it collides with a 6320-kg truck driving east on
a cosmic-ray proton in interstellar space has an energy of 100 mev and executes a circular orbit having a radius equal
consider a galvanometer with an internal resistance of 60omeganbsp if the galvanometer is being used as an ammeter with
a 10kg wooden box is resting on wooden ramp that can berotated to any angle from 0o to 90o what is the maximum angle
three 05 kg particles form an equliateral triangle with 06 msides the particles are connected by rods of negligible
when you drop a 40 kg apple earth exerts a force on it that accerlerates it at 98 mss toward earths surface according
when it is burned 1 gallon of gasoline produces 130times108 of energy a 1300 car accelerates from rest to 360 in 100
a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
draw out the lewis structures for h2co3 hco3- and co32- then determine the maximum number of equivalent resonance
a wooden block is cut into two pieces one with three timesthe mass of the other a depression is made in both faces
complete combustion of 20 metric ton of coal to gaseous carbon releases 66 x 1010 j of heat convert this energy to the
an object experiencing a constant force accelerates at12 mswhat will the acceleration of this object be if the force
a child on a sled starts from rest at the top of a 150deg slope if the trip to the bottom takes 173 s how long is the
helium is the lightest noble gas component of air and xenon is the heaviest use r8314jmol x k and m in kgmla find the
an object of mass 0550 kg is lifted from the f loor to aheight of 350 m at a constant speedhow much work is done by the
solid white phosphorous melts then vaporizes at high temperatures gaseous white phosphorus effuses at a rate that is
a 720-kg man is riding an escalatorin a shopping mall the escalator moves the man at a constantvelocity from ground
a person who is 17 m tall throws a ball with a speed of 4 ms atan angle of 31 degrees above the horizontal what are the
a newly discovered gas has a density of 239gl at 296k and 715 mm hg what is the molar mass of the
stuart the student iscleaning out his desk after finals he opens the hinged lid onhis trash can by exerting a force
calculate the mass of solid needed to make a 500ml solution that is 025m in sulfate anion using sodium sulfate