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Question: If in the previous question you raise the temperature of the gas from 300K to 600K,
a. By how much does the collision time change?
b. Explain why the mean free path does not change when the temperature goes up.
Suppose the nucleus of the hydrogen atom were enlarged to the size of a baseball (diameter = 7.3cm). At what typical distance from the center of the baseball would you expect to find the electron?
The efficiency increases linearly up to 97% with 200w output (I.e efficiency is 96% at 150w and so on ) similarly the efficiency decreases to 94% at 50w output the converter will be damaged whenever the power dissipated inside it exceeds 6w if the..
An online store contacts 1000 customers from its list of customers who have purchased something from them in the last year. In all, 696 of the 1000 say that they are very satisfied with the store's Web site. The population in this setting is
A transformer on a pole near a factory steps the voltage down from3600 V (rms) to 120 V (rms). compute the power delivered to the primary
An 8.0 kg sled is initially at rest ona horizontal road. The coefficient of kinetic friction between thesled and the road is 0.40. Find the change in the kinetic energy of the sled
Shaving/makeup mirrors typically have one flat and one concave(magnifying) surface. Is the image erect or inverted
You decide to hang a plant from a 1.5-m-long 2.0-kg horizontal beam that is attached by a hinge to the wall on the left. A cable attached to the right end goes 37o above the beam to a connecting point above the hinge on the wall. You hang a 12-kg p..
The dimensions of atomic nuclei are of the order of 10^-13m. Suppose that two a-particles (the nucleus of helium, mass of 6.68 x 10^-27 kgm and a charge of 3.2 x 10^-19 coul.) are separated by this distance.
You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. Estimate the minimum amount of gasoline you should take on your trip
A 10-cm solid wooden cube is floating on the surface of water. Its height above water is 3.0cm. What is the buoyant force on the cube
Will the solution gain or lose oxygen?- What will be the concentration of oxygen in the final equilibrium solution in kg O2 per 100 kg H2O?
The equipotential surfaces surrounding a point charge are concentric spheres with the charge at the center. evaluate the distance between these two surfaces
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