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An electron with a speed of 5.50×10^6 m/s, collides with an atom. The collision excites the atom from its ground state (0eV) to a state with an energy of 3.20 eV.
What is the speed of the electron after the collision?
When doing a sound experiment, you recorded the sound of a single frequency sound when it was stationary. What frequency did you hear as your friend rode away from you
The area of a typical eardrum is about 5.0 × 10?5 m2. Calculate the sound power incident on an eardrum at the threshold of pain
A 2.18-m-long diving board of mass 13.2kg is 3.00m above the water. It has two attahcments holding it in place. Assuming that the board has a uniform density, find the force acting on each attachment
A cubic centimeter in a typical cumulus cloud contains 50 to 500 water drops, which have a typical radius of 10 µm. How much mass does the water in the cloud have
A popcorn kernal initially at rest, explodes into two peices, one haveing twice the mass of the other. What is the ration of velocities of the frgament
When a carbon dioxide molecule attaches to a molecule of hemoglobin, the bond that forms between them immediately starts vibrating. What is the vibration frequency of the bond if the carbon dioxide molecule has speed of 2.42 m/s
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.90 × 10-6 C charge, (b) a single -2.40 × 10-6 C charge, and (c) both of the ..
Calculate the molar Sakur-Tetrode entropy of gaseous argon at 25 C and atmospheric pressure
Suppose a tank contains 737 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa, What is the increase in the internal energy of the neon
A block of mass m = 600 g is released from rest and slides down a frictionless track of height h = 59.9 cm. What is the value of the spring constant k
what is the decrease in entropy of 25.0g of water that condenses on a bathroom mirror at 35C assuming no change in temp and given the latent heat of vap to be 2450KJ/KG
A 5.0 kg textbook is raised a distance of 30 cm as a student prepares to leave for school. How much work did the student do on the textbook
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