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a hydraulic lift is used to jack a 1170 kg car 14 cm offthe floor the diameter of the output piston is 18 cm and
a calculate the magnitude of the gravitational force exerted ona 441-kg satellite that is a distance of 217 times earth
an empty rubber balloon has a mass of 00105 kg the balloon is filled with helium at adensity of 0181 kgm3 at this
when water freezes it expands about 895 what would be the pressure increase inside your automobiles engine block if the
the 1994 winter olympics included the aerials competition inskiing in this event skiers speed down a ramp that slopes
at a certain location the horizontal component of the earths magnetic field is 25 x 10-5 t due north a proton moves
a thin flat nonconducting disk with radius r0 and uniformsurface charge density carries a total charge q and has a hole
a swing ride at a carnival consists of chairs that are swung in acircle by 120 m cables attached to a vertical rotating
a hydraulic lift has pistons with diameters 780 cm and 362 cmrespectively if a force of 825 n is exerted at the input
an object has a total energy of 50 x 1015 j and a kinecticenergy of 20 x 1015 j what is the magnitude of the objects
in designing rotating space stations to provide forartificial-gravity environments one of the constraints that mustbe
one gram of water changes from liquid to solid at a constantpressure of 100 atm and a constant temperature of 0degc in
a mosquito collides head on with a car traveling 60 mphnbsp how do you think the size of the force the car exerts on
an energy of 01 j is stored in the metal ball on top of a vande graaff generator aspark carrying 1 micro-coulomb
a 12000 volt line produces 100000 watts with a current of83 amps if the voltage were only 240 volts what would be the
a moving charge experiences the maximum possible magnetic force when moving in a magnetic field what can you conclude
how many electrons flow through a 1500 watt electric spaceheater operating with a 120 volt input and a current of
a 1-kg wood ball and a 5-kg metal ball have identical shapes and sizes they are dropped simultaneously from a tall
a spring with k 53 nm hangs vertically next toa ruler the end of the spring is next to the 15 cm mark on theruler if a
consider a box in the back of a truck if the truckaccelerates slowly the box moves with the truck without slipping what
on a cello the string with the largest linear density 156 10-2 kgm is the c string this string produces afundamental
an ambulance travels down a highway at a speed of 30 ms itssiren emits sound at a frequency of 400 hz a car istraveling
a flat sheet of ice has a thickness of 20cm it is on top of a flat sheet of crystalline quartz thathas a thickness of