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A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 226 N/m and the mass is 453 g, determine the mechanical energy of the system
Calculate the conduction rate of heat H=deltaQ/deltaT through an A=2.0 m^2 glass window of the thickness of the glass is 4 mm and the temperature difference between the inside and the outside is 20
An air bubble of 10 cm^3 is created at bottom of a lake, where the temperature is 5 degree celsius and is 100 m deep. what is the pressure at the bottom
A large cylindrical water tank of diameter od D=3.00 m. What is the flow speed of the water when it comes out from the hole
A 400 g mass is attached to a spring of constant k=16.0 N/m and set into oscillation with amplitude A=25.0 cm, Find the totall mechanical energy E of the oscillator
A rifle with a barrel length of 57cm fires a 12g bullet with a horizontal speed of 450m/s, What resistive force (assumed to be constant) does the wood exert on the bullet
A 40-N crate rests on a rough horizontal floor. A 12- N horizontal force is then applied to it. find the magnitude of the frictional force on the crate
A 0.5 kg cart is pushed by a force of 6.2 N for a total distance of 3.2 m. what would the velocity of the cart be when the force stops
The pressure in a traveling sound wave is given by the equation %u0394p=(1.50 Pa)sin((%u03C0/2.)*(0.90 m-1x -297.0 s-1 * t)). Find the pressure amplitude
Which of these characteristics is necessary to achieve a line spectra for any given element. Which of these characteristics is necessary to achieve a line spectra for any given element.
What difference is there in change of pH with volume of NaOH added near the equivalence point as compared to a point earlier in the titration
Explain as thoroughly as possible, When copper and silver nitrate oxidize/reduce, how does copper lose 2 electrons
Rank the following slightly insoluble compounds from the most soluble to the least soluble. CaCO3 Ksp = 2.8 x 10-9 Co(OH)2 Ksp = 1.6 x 10-15 CaF2 Ksp = 3.9 x 10-11 BaSO4 Ksp = 1.1 x 10-10
Examine the Lewis structure of methylene blue and explain why it is a cation instead of a neutral species. Where would the extra electron otherwise reside
Given that 3.582 g of copper (II) chloride are dissolved in 2.478 litres of deionized water, answer the following: 1) How many moles of copper (II) ions are present in the sample
A disc spins at 20 [rpm]. Calculate the period of rotation (which is the time interval required for 1 revolution)
Using the intermolecular bonding between H2O moleculesin it's two condensed phases (solid ice versus liquid water), explain the observed phenomenon that
In a historical movie, two knights on horseback start from rest 74 m apart and ride directly toward each other to do battle. How far from Sir George's starting point do the knights collide
What volume of a stock 0.0242 M of KOH solution is required to titrate 0.147 g of oxalic acid dehydrate, H2C2H4 . 2H2O to a phenolphthalein endpoint?
CO(g) + NO2(g) ------> CO2(g) + NO(g) rate= k(NO2)^2 Suggest a plausible mechanism for the reaction, given that the unstable species NO3 is an intermediate.
Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. what mutually induced emf appears in that coil
An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in which the electron originated
A 40.0 kg box initially at rest is pushed 4.05 m along a rough, horizontal floor with a constant applied horizontal force of 145 N. find the work done by the applied force
Draw the structures of phthalic anhydride, ethylene glycol, and glycerol. Draw the polymer that results from phthalic anhydride & ethylene glycol. Draw the polymer that results from phthalic anh
Solute S has a partition coefficient of 6.1 between water (phase 1) and hexane (phase 2). A 74.0 mL solution of S in water is extracted six times with 12.0 mL of hexane. Calculate the fraction of S