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Determine the density of a proton. One of the particles that compose atoms is called the proton. The proton has a radius of approx. 1.0 x10-13 cm and a mass of 1.7x 10-24g.
When the pendulum mass is let go 0.3 m above the floor, how fast is the mass travelling as it grazes the floor?
Discuss what pressure difference must be generated across the length of a 15 cm vertical drinking straw in order to drink a water-like liquid of density 1.0 g/cm3?
Explain nature of information given by each of the given financial statements: Income statement, retained earnings statement, and balance sheet.
Determine the closest distance from the wall the person can stand and hear constructive interference? The speed of sound in air is around 343 m/s.
Determine the freezing point of an aqueous solution of a nonvolatile solute that has a boiling point of 102.5C? For water Kf= 1.86C/ and Kb= 0.52C/m.
Calculate the osmotic pressure of a solution prepared from the 13.7grams of the electrolyte HCl and enough water to make a 0.50 L of solution at the 18 degrees C?
Since he cannot employ a bathroom scale (why not?), he joins himself to a spring (k = 2500 N/m), pulls himself back from the spring's equal length by 3 m, and times one oscillation to take 1 s. i)
Lavoisier found that when mercury (II) oxide, Hgo, decomposes the total mass of mercury (Hg) and oxygen formed equals the mass of mercury (II) oxide decomposed.
How large of the nest egg (principal Po) should you have at retirement? supose that at the retirement you put that money (Po) in the annuity with the guaranteed annual return of 8%.
Identify the solutions to the one-dimensional infinite square well when the potential extends for -a/22 to +a/2 instead of from 0 to +a. Are the wave functions? IS the potential invariant with respe
Evaluate the annual production of carbon dioxide in kilograms if there are 40 million cars in the US and each car covers a distance of 5000 miles at a consummation rate of 20 miles per gallon and o
A sinusoidal electromagnetic wave having frequency 6.1x10^14 Hz travels in a vacuum in the +z-direction. The B-field is parallel to the y-axis and consists of amplitude 5.80 x 10^-4 T. Write down th
Discuss why the atomic mass of cobalt is greater than that of nickel even though the atomic number of cobalt is less than that of nickel.
Assume you borrow $3000 from the loan shark with monthly interest 5%. If you pay back shark loan $100 each month, how long it takes for you to pay off debt? How much you paid in total?
Assume that the saturation magnetization Mmax of the ferromagnetic metal nickel is around 6.64 x 105 A/m. Compute the magnetic moment of a single nickel atom. (The density of nickel is around 8.90 g/c
Suppose you decide to repeat Millikan's oil drop experiment. You refuse to measure charge in coulombs, but prefer to determine in an arbitrary unit Y.
The allowed energies of the quantum system are 1.0 eV, 2.0 eV, 4.0 eV and 7.0 eV. What wavelengths come into view in the system's emission spectrum (in nano-meters)?
The total pressure of a mixture of hydrogen and oxygen is1.00atm. The mixture is ignited and the water is removed. The remaining gas is pure hydrogen and excerpts a pressure of .4atm when measured a
1 hour has been reserved for copying the 10-page article to be sold to MBA students. Suppose that all copies can be sold for $0.50 per article, find number of copies of article must be made?
An electron confined in a 1-dimensional box is viewed, at different times, to encompass energies of 12 eV, 27 eV and 48 eV. Evaluate the minimal length of the box in nanometers?
What is the reaction that occurs? Determine w for the process. A pellet of Zn of mass 10.0g is dropped into a flask containing dilute H2SO4 at a pressure of P=1.00 bar and temperature of 298K.
Determine the ratio of the sound intensity heard by observer A to that heard by observer B. For practical purpose, you might treat each and every observer as a point on the ground.
X rays diffract from a crystal in which the spacing among atomic planes is around 0.171 nanometers. The second-order diffraction takes place at 41.0 degrees. Evaluate the angle (in degrees) of the f
A 2.5 liter vessel contains 0.1 mole of H2 (g) and 0.05 mole ofO2(g). The mixture is ignited with a spark and the reaction