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After the collision, puck A has a velocity of 0.120 m/s to the left, and puck B has a velocity of 0.580 m/s to the right. Calculate the change in the total kinetic energy of the system that occurs dur
Using a context of quadratic functions and their graphs, explain the concept of optimization to someone without a background in mathematics.
What is the approximate yield strength of a copper silica alloy which has spherical precipitates of silica of average radius 100 nm. The volume fraction of silica is 1%, the shear modulus is 4.2 &ti
A 1.45 g sample of phosphorus burns in air and forms 2.57 g of a phosphorus oxide. Calculate the empirical formula of the oxide. Express your answer as a chemical formula.
You spent a lot of time during this unit working with linear functions. For which of the following situations would a linear function be a reasonable choice for a mathematical model?
The energy of formation of a vacancy in copper is 1eV. what is approximate relative change in the density of copper due to vacancy formation at a temperature just below its melting point (1356K)
A paper chromatograph is run for a solute that has a strong affinity for the solvent , and very little affinity for the paper. when properly developed, will the Rf for the solute benearly one , near
When a dislocation passes right through a crystal slip equal to a lattice spacing occurs. Estimate the number of dislocations on the (111) plane which would be needed to produce 5% plastic deformati
What is the displacement (magnitude and direction) of the 2nd airport from the 1st airport? Roud your final answers to 3 decimal places.
A 1.0-cm-diameter microscope objective has a focal length of 2.8 mm. It is used in visible light with a wavelength of 550 mm. A. What is the objective's resolving power if used in air?
Find , the coefficient of static friction between the rod and the rails.
How long will it take the insect population to grow to nine times its initial size? Simplify your answer as much as possible.
How many grams of water are formed when 17.5 g of oxygen reacts with nitrogen?(hint: you need to write a balancedeqn.
How long does it take for an investment to double in value if its invested at 11% compounded monthly and compunded continuously?
Two parallel metal plates have area A = 255 cm2 and are separated by l = 0.50cm. They have a potential difference of 0.25 V. Find the numerical value of the electric field. What are the charge dens
How many grams of calcium are required to react with 1.55g of water to produce calcium hydroxide and hydrogengas?
If the solenoid current increases steadily from 0 to 11A in 2.1 seconds, find the induced current in the coil.
If the marginal revenue for the product is given by the equation MR=80x what is the profit generated from the production of 8 units of this product?
Seawater contains 8.0 x 10-1 cg of the elementstrontium per kg of seawater. Assuming all of the strontium couldbe recovered, how many grams of strontium can be recovered from acubic meter of se
Find the equillibrium point, the consumer's surplus, and the producer's surplus if the demand function is p(x)=f(x)=200-.4x^2.
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. What is the total deflection of the ray, given that the index of
Determine the tax per item that will maximize the total tax revenue and use it to compute the maximum total tax revenue possible.
A 1.2 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. The force is given by F(x) = (2.5 -
A rock contains .37 mg of Pb-206 and .95 mg of U-238. The half lifeof the decay series U-238 to Pb-206 is 4.5 X 109years.Assuming no Pb-206 was present in the rock initially, how old is the rock?
Use the information developed in the notes for formic acid as a guide to determine the concentration of [H+] and pH of 0.1N and 1N solutions of acetic acid.