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A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed of 4.55 m/s. You toss a 0.150 kg rubber ball at the elephant with a speed of 7.81 m/s.
Determine the velocity of the scattered electron using classical physics equations.
Using reflections and translations describe how the graph of g can be obtained from the graph of f if g(x)=f(-x)-1 showing all work.
Where in the electromagnetic spectrum (visible,ultraviolet, or infrared) does the line appear? Calculate the energy of the photon resulting form this electron transition.
Consider a 5.28 gram sample of sodium iodide (NaI), of which .0160% of the iodine having a half life of 13 days. Take the atomic weights of Na and the remainder of the I to be 23.0 and the 126.9 am
To get the boat moving, you throw the stones rearward, either in succession or together, but in each case with a certain speed 18.000 m/s relative to the boat. a.) What is the resulting speed of the
A new organic acid was discovered and at 25°C a 0.115 Msolution of the acid in water had a pH of 3.42. Calculate the valueof Ka for the acid.
A bungee jumper with mass 65 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point 8 more times in 34.7 seconds. He finally comes to rest 25 me
A wire of radius 1.3 mm carries a current of 1.9 A. The potential difference between points on the wire 42 m apart is 3.6 V. Part A. What are the electric field in the wire?
A 0.100-mA electron beam with kinetic energy 54.0 eV enters a sharply defined region of lower potential where the kinetic energy of the electrons is increased by 10.0 eV. What current is reflected a
The percent composition of a compound Z is 63.16% C and 8.77% H.When compound Z burns in air, the only products are carbon dioxideand water The molar mass for Z is 114.
In qualitative analysis Ag+,Hg2+ and Pb2+ are separated from other cations by addition of HCl. Calculate the concentrations of Cl- required to just begin precipitation of a)AgCl b)Hg2Cl2 and c) PbCl
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 densi
A mixture of ordinary hydrogen atom and tritium, a hydrogen isotope whose nucleus is approximately 3 times more massive than ordinary hydrogen, is excited and spectrum is observed . How far in wavel
Calculate th enumber of moles of sodium bicarbonate originally present in the unknown mixture in question 2, knowing that 15.0 ml of 0.100 M HCl were used in the titration, using methyl orange as th
Find the force necessary to start the crate moving, given that the mass of the crate is 32 and the coefficient of static friction between the crate and the floor is 0.57.
When solutions containing 25 g each of lead(II) nitrate and potassium iodide are mixed, a yellow precipitate results.
Take a ride on the Physics Phantasm, the newest frictionless roller coaster at Six Phlags. The ride starts off from rest with a steep drop from 41.0 m up, followed by a vertical loop on a track with
A model-train transformer plugs into 120-V ac and draws 0.30 A while supplying 8.5 A to the train. Part A: What voltage is present across the tracks? Assume 100% efficiency.
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing HI (strong acid) andNH4OH (weak base)?
A 47.0 g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 25.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest poin
Relative to the ground, what is the gravitational potential energy of a 62.0 kg person who is at the top of the Sears Tower, a height of 443 m above the ground?
What is the total vapor pressure at the same temperature above a solution containing only n-hexane and n-heptane in which the mole fraction of n-hexane is 0.600?
What is the total magnitude I initial of the magnetic flux through the coil before it is rotated?