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A potential difference is applied between the electrodes in a gas discharge tube. In 1.6 s, 3.2 1016 electrons and 1.1 1016 singly charged positive ions move in opposite directions through a surface perpendicular to the length of the tube. What is the current in the tube?
___ mA
On a banked race track, the smallest circular path on which cars can move has a radius of 106 m, compute the largest speed at which cars can move on this track without relying on friction
question1a small asteroid of mass 2.6e9 kg is revealed travelling at a speed of 18kms on a direct heading for starbase
Two adjacent natural frequencies of an organ pipe are found to be300Hz and330Hz. Calculate the fundamental frequency and length of this pipe
A rectangular block of wood floats in a calm lake. Show that, if friction is ignored, when the block is pushed gently down into the water and then released
the earth completes a circular orbit around the sun in one year. what is the speed of the earth around the sun
Find out the recoil velocity that the raft. At what height above the cannon should the net be placed in order to catch the daredevil.
A box with a volume of 3.9 L contains 4 molecules. By what factor is the total number of states for all molecules increased
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 , length 84.4, Calculate the weight of the rod
A cube of metal has a mass of 0.347 kg and measures 3.13 cm on a side. Calculate the density and identify the metal
What is the frequency of light that has the wavelength in water of 788 nm if the refractive index for this light is 1.33.
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 0.786m apart, such that intensity level at one point is 1.72 dB greater than that at the other.
monochromatic light(wavelength= 500 nm) passes through two splits and onto a screen 2.5 m away. what is the new distance between bight fringes
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