Determine how far is the mirror from the face
A concave shaving mirror consists of a radius of curvature of 34.0 cm. It is placed so that the (upright) image of a man's face is twice the size of the face. Determine how far is the mirror from the face?
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It is evalauted that annual sales of the new product will be 2,000 first year and increase by 1,000 per year until 5,000 are sold during 4th year.
A proton moving with the speed of 2.1 cross 107 m/s enters an area of space where there is a uniform magnetic field having magnitude 0.25 T. When the proton moves perpendicularly to B, determine the radius of its path? (The mass of the proto
A flexible stick 2 m long is not fix in any way and free to vibrate. Sketch a clear drawing of the stick vibrating its first three harmonics, and then employ your drawing to determine the wavelengths of each of such harmonics.
Borax exists in 3 forms: a pentahydrate, hydrous & decahydrate. Borax is a widely used chemical with such diverse uses as detergents & ant poison. If you were trying to optimize the maximum amount of borate ion B4O7-2 for the cost, wh
Determine the electrical field due to a line charge. Find out the expression of the field for infinitely exceed the line charge? Determine the expression for torque on a current loop. Find out the magnetic dipole moment?
Determine the heats of combustion for the following reaction from the standard enthalpies of formation. Express answer in kilojoules.
What would you expect to see the after the second development if a TLC plate showed two spots at 0.25 and 0.26 Rf. The plate was removed, the residual solvent evaporated and then the plate was returned to the developing chamber.
Calculate the order of magnitude to which the pressure must be reduced so that the electron beam attenuation by electron - H2 collisions is 1/e over the 0.5m length for a cathode ray tube to deliver electrons to a screen over a distance of 0.5m. T
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