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A damped harmonic oscillator consists of block (m = 2.00 kg) a spring (K = 10.0 N/m) and a damping force F = -bv. Initially it oscillates with an amplitude of 25.0 cm because of damping the amplitude falls to three fourth of its initial value at the completion of four oscillations.
(i) What is the value of b?
(ii) How much energy was lost during the four oscillations?
When aluminum crystallizes, it forms a face-centered cubic cell. The atomic radius of an Al atom is 143pm. Calculate the volume of the unit cell in cubic centimenters.
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When sodium chloride is strongly heated in a flame, the flame takes on the yellow color associated with the emission spectrum of sodium atoms. The reaction that occurs in the gaseous state is Na^+(g) + Cl^- (g) ----> Na (g) + Cl (g)
Under standard-state conditions, what spontaneous reaction will occur in aqeuous solution among the ions
it takes 580. j of energy to raise the temperature of 124.5 g mercury from 20.0degc to 53.5degc. calculate the specific
Which of the following reactants would yield chlorocyclopentane as the product of an addition reaction
Chemistry Questions on Calculate P H
how many grams of sodium formate nacho2 must be added to 750.0ml of .250 m of formic acid hcho2 to obtain a buffer with
Quicklime (CaO) is produced by the thermal decomposition of calcium carbonate. Calculate the volume of CO2 at STP produced from the decomposition of 152 g of calcium carbonate.
When an electron in a hydrogen at moves from the n = 6 to the n = 2 shell, a photon is emitted. What is the wavelength
A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of ..
The single proton that forms the nucleus of the hydrogen atom has a radius of approximately 1.0x10^- 13 cm. The hydrogen atom itself has a radius of approximately 52.9 pm.What fraction of the space within the atom is occupied by the nucleus?
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