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consider a ring of charge with a linear charge density 390 ncm the radius of charge is 6 cma what is the magnitude of
calculate the volume of the earth ve and the sun vs and compare them to each other by dividing the volume of the sun
an infinite string -infin lt x le 0 of linear density rhol and under tension t is attached at x 0 to a second infinite
1 ip coasting due west on your bicycle at 77 ms you encounter a sandy patch of road 77 m across when you leave the
what is the exact angle made when the minute hand and the hour hand of the clock meet between 1 and 2 o clock taking 12
a 150 g object with unknown net charge is moving towards a -28 microc source charge when it is 080m from the source
you plan to fly a small airplane from san jose airport to reno-tahoe internationalnbspairport using a map you find that
a drag force on a falling object in air is directly proportional to the square of its velocity after falling some known
1 a water wave has a frequency of 6 hz and a wavelength of 3 m a what is the period of these waves b what is the wave
calculate the density of a rock composed of the four minerals listed below together with their abundances and
a student performs a kinetic experiment on the first-order kinetics of the reaction n2o4nbsp-gt 2no o2 she calculates
sometimes the proper number of significant figures will be required for your answer not just three in this case you
a student measures the diameter of a small cylindrical object and gets the following readings 432 435 431 436 437 434
a screen is placed r 10m away from a 2-slit setup the separation between the slits is d 01mm and their widths are
the student also measured the length of the object to be 0126 plusmn 0005 m and the mass to be object to be 166 plusmn
tow masses m1 600g and m2 150g are hanging from a meter stick m1 is located at the 10cm mark and m2 is at the 7cm
a marble is dropped on the moon at anbspheight of 14 meters the acceleration of gravity on the moon is 1671 ms2 hence
a ball is thrown upward with an initial velocity of 15ms from the roof of a 20m tall buildinga what is the maximum
an astronaut who is 30 years old gets into a spaceship and travels to the star 51 pegasi which is 50 light years away
mary and sally are in a foot race when mary is 22mfrom the finish line she has a speed of40msand is50mbehind sally who
a diffraction grating with slits separated by is illuminated by violet light with a wavelength of 421 nm if the screen
protons passing without deflection through a magnetic field of 006 t are balanced by an electric field of 9000 vm what
a room is 25 c and 75 relative humidity the size of the room is 5m x 5m x 3m the crib is colled to 25 c and 20 humidity
suppose you are using a cool mist vaporizer in a room where the relative humidity is 20 at 20 degrees celsius the room
a 200 m long horizontal uniform beam of mass 200 kg is supported by a wire as shown in the figure the wire makes an