• Kinetic Theory Lab
    probable particle speed (vp) differ from the average particle speed (vavg)? Probable particle speed is guessing of the speed and average particle speed is gathering information over a period of time. 4. Does the trend of the change in shape of the graph as temperature increases differ when a...
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  • Kenic Lab
    particle at a given speed increase and the speed decrease • Xenon gas the number of particles at a given speed increase and speed m/s decrease 3. At a given temperature, why does the most probable particle speed (vp) differ from the average particle speed (vavg)? • The...
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  • Kinetic Theory
    increase the speed frequency also increases At a given temperature, why does the most probable particle speed (VP) differ from the average particle speed (vavg)? Because the distribution of probabilities is not symmetrical. The most probable particle speed refers to the maximum of the curve, and that...
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  • Solution of Physics by Arthur Beiser
    - ½ particles, and so have net spins of 1 , 3 or 5 , and they obey the exclusion 2 2 2 principle. 7. In what way does the electron structure of an alkali metal atom differ from that of a halogen atom? From that of an inert gas atom? ¡¼sol¡½ An alkali metal atom has one electron outside closed inner shells: A...
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  • Charter 1
    origin located on a nearby asteroid, and 5 seconds later is observed at location 325, 25, −550 m. (a) What is the average velocity of the spacecraft? (b) What is the average speed of the spacecraft? (c) What is the unit vector in the direction of the spacecraft’s velocity? 5m 4 3 2 1 0 0 ri rf vavg...
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  • ATMS 100 Test 1 Study Guide
    temperature? The measure of the average speed of the molecules of a substance When the molecules of a substance absorb energy, they move faster How does temperature affect air density? Warm air is less dense (rises) Cold air is more dense (sinks) What is sensible heat? Heat that can be...
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  • Mr Olawale
    move faster, on the average, than do heavier molecules. For example, at a given temperature, hydrogen molecules, whose molar mass is 2 10 3 kg/mol, have an average speed four times that of oxygen molecules, whose molar mass is 32 10 3 kg/mol. Table 21.1 lists the rms speeds for various molecules at...
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  • 1121349
    distribution provides a direct explanation of: A. thermal expansion B. the ideal gas law C. heat D. evaporation E. boiling ans: D 57. For a gas at thermal equilibrium the average speed v, the most probable speed vp , and the root-mean-square speed vrms are in the order: A. vp < vrms < v B. vrms < vp < v...
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  • Haha
    till you see ACCUMULATED at the bottom of this list. This averages all data from the time you hit the key onward. The animation is still real time. Wait till at least 1.2e-09 secs before answering: How valid a prediction does the Maxwell Speed Distribution seem to be? Low Temperature Experiments...
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  • Physics Hots Class Xii
    satellite for long distance TV transmission. Why? (c) Optical and radio telescopes are built on the ground but X-ray astronomy is possible only from satellites orbiting the earth. Why? (d) If the earth did not have an atmosphere, would its average surface temperature be higher or lower than what it is now...
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  • Essay Paper
     dashed line labeled “particle horizon” crosses the 13.7 billion year “now” line at about 46  billion light years.  It is to be understood that even though a signal from the most distant source  currently  reaching  us,  called  the  particle  horizon,  has  been  traveling  at  the  speed  of  light...
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  • Essays
    2.5 s) so average speed is a) 1 b) Distance travelled is given by the area under the graph = (5 s 20 m) + (0.5 5s 15 s) = 137.5 m 9 a) Average speed is found by dividing the total distance a body has travelled by the time it has taken; the speed may vary from moment...
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  • Final Study Guide
    of these (NOT average!)  _When are hurricanes most likely? Why? * September * Reason being ocean temps are warm from summer  _What ingredients are required for hurricane formation? Why are these ingredients necessary? * Sea-surface temps (SSTs) greater than 26.5 C (80 F...
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  • Reactor Physics
    determined by the temperature of the medium and can be determined by Equation (2-13) . 2 k T m vp (2-13) where: vp k T m Example: Calculate the most probable velocities for neutrons in thermal equilibrium with their surroundings at the following temperatures. a) 20 C, b) 260 C. Solution: a...
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  • General Physics I Teaching notes
    touching ground way down max. height v=0 a=g a=g a=g v 0 K . The distribution of speed is outlined as follows. (a) The most probable speed vP = (b) The average speed vav = 2kT m 8kT πm (c) The root-mean-square speed vrms = 3kT m Chapter 14 Thermodynamics...
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  • O; Jwegoj [Pkrgptk Pkwg
     force does act on it is  given by Newton’s second law. This states that the body will accelerate, or change its  speed, at a rate that is proportional to the force. (For example, the acceleration is twice as  great if the force is twice as great.) The acceleration is also smaller the greater the mass...
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  • Backers Huges
    successfully, safely, and economically. The most important functions are: 1. 2. 3. 4. 5. 6. 7. 8. 9. Remove drilled cuttings from under the bit Carry those cuttings out of the hole Suspend cuttings in the fluid when circulation is stopped Release cuttings when processed by surface equipment Allow...
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  • Brief History of Time
    (Fig. 2.4). Given an event P, one can divide the other events in the universe into three classes. Those events that can be reached from the event P by a particle or wave traveling at or below the speed of light are said to be in the future of P. They will lie within or on the expanding sphere of...
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  • Gender Discrimination
    109 speed v2 = 1767 m s-1 Hence change in orbital speed, = v2 - v4 =1767 -1250 = 517 = 520 m s-1 (2 sf) 4 a) (i) From given graph, at V = 4.50 V, power P is maximum and P = 5.62 W current I = P 5.62 = = 1.25 A (3 sf) V 4.50 a) (ii) Resistance of R = V 4.50 = = 3.60Ω (3 sf...
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  • Physics Notes
    ; 2. the increase in internal energy is due to an increase in the PE, NOT KE of molecules 3. the system here is NOT to be considered as an ideal gas system Similarly, you need to explain why, when a liq is boiling, thermal energy is being supplied, and yet, the temp of the liq does not change...
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