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on planet tehar the freefall accelration is the same as that on earth but there is also a strong downward eletric field
a parallel-plate capacitor has circular plates of 610 cm radius and 110 mm separationa calculate the capacitanceb what
a distant galaxy emits light that has a wavelengthof 5007 nm on earth the wavelength of this light ismeasured to be
you have 25 ml of 05 m standard naoh solution density 103 gml at 20oc and copious quantitiesof distilled water explain
at the local swimming hole afavorite trick is to run horizontally off a cliff that is 83mabove the water once diver
an object is attached to the lower end of a 100-coil spring that is hanging from the ceiling the spring stretches by
a student does a mini-titration with an unknown acid by adding 13 drops of 2m naoh to 9 drops of the unknown solution
when a car is traveling at 25 ms on level ground the stoppingdistance is found to be 22m this distance is measured by
is more elastic potential energy stored in a spring when thespring is compressed by one centimeter than when it is
if you report two measurements of mass 742 g and 756 g are the measurements accurate are they
a certain kind of glass has an index of refraction of 1660 for blue light of wavelength 420 nm and an index of 1615 for
a gold conductor with an electric field of 001 vm applied is100 cm long and 005 mm in radius assuming one conduction
in a normal breath about 05 l of air at 10 atm and 293 k is inhaled about 250 of the oxygen in air is absorbed by the
an air conditioner connected to a 120v rms ac line is equivalent to a 120 resistanceand a 140 inductive reactancein
compound on tlc can be roughly distinguished into their classes based on the characteristics produced after they are
peanuts and peanut oil are organic materials and burn in air howmany burning peanuts does it take to provide the energy
a playground merry-go-round has a disk-shaped platform thatrotates with negligible friction about a vertical axis the
in the figure a point charge 13mu c is adistance d2 directly above the center of a square of side d 026cm what is the
a hoop and a disk both of 046- m radius and 20- kg massare released from the top of an inclined plane 28 m high and 77
true false1 the flux of the e-field is a scalartf2 if the net charge enclosed by a gaussian surface is zero then
a tire 200 ft in diameter is placed on a balancing machinewhere it is spun so that its tread is moving at a constant
lithium is a light metallic element whose ions are used in highly efficient batteries for portable laptop computers
the middle c string on a piano is under a tension of 706 n the period and wavelength of a wave on thisstring are 382
standing waves are set up in the metal bar ofa kundts tube apparatus the metal bar has a length of 86 cm andthe
a hospital orderly pushes horizontally on two boxes of equipment ona rough horizontal floor as show in figure 438 make