= 2. Find an expression for v3 (³) for an ideal gas speed distribution particles with mass m at temperature T that follows Maxwell's m f(v) = 4T ( (2TKT) 3/2v² exp mv² 2kT
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- A particle starts from rest and accelerates as shown in the figure below. az (m/s²) 1 t (s) 10 15 20 -1 -2 -3 (a) Determine the particle's speed at t = 10.0 s. m/s Determine the particle's speed att = 20.0 s? m/s (b) Determine the distance traveled in the first 20.0 s. (Enter your answer to one decimal places.) mYou start out by driving 91 miles south in 2 hours and 21 minutes, and then you stop and park for a while. Finally you drive another 22 miles north in 2 hours and 37 minutes. The average velocity for your entire trip was 11.11 miles per hour to the south. How much time did you spend parked?You and your friend each drive 50.0 km. You travel at 90.0 km/h. Your friend travels at 9 km/h. How long will your friend be waiting for you at the end of the trip?
- At exactly noon, you pass mile marker 157 in your car. At 2:30 p.m. you pull into a rest stop at mile marker 316. What was your average speed during this time?Q4. A stone was dropped from a cliff of height 100 m. Ignoring air resistance, how long will it take the stone to reach ground? juaiļ, o ú 49 49 =4 t -4.9t Q5. A stone was dropped from a cliff of height 100 m. Ignoring air resistance, what will be the final speed of the stone when it reaches ground? Q6. An object has an initial velocity of 8 m/s and acceleration of 2 m/s?, how far the object will move in 10 seconds?Fast Car: On a hot day in the flats, the temperature is 103.6 degrees. A driver finds an empty, flat stretch of desert that is 1776 meters long and decides to push the limits of his car. He finds the car can accelerate from 0 to 60 mph (26.8 m/s) in 4.30 s. Now he wants to see how fast the car can go. Assume the car maintains the same average acceleration until it reaches its top speed of 84.8 m/s. (a) How long will it take the car to reach its top speed? (b) How far will the car travel before it reaches its top speed?
- GHTRAFFICHE5 4.4.024. 0/1 Submissions Used MY NOTES ASK YOUR TEACHER Consider the speed data in the table below. Measured Speeds (mi/h) 49 58 54 58 54 71 46 51 63 52 62 59 45 52 56 56 70 57 57 51 60 60 63 54 48 41 53 58 65 67 56 66 69 53 59 64 After collecting the speed data in the table for a highway with a speed limit of 55 mi/h, determine the percent of vehicles exceeding the limit. % Also determine the percent of vehicles traveling at speeds between the speed limit and 5 mi/h above the speed limit. %Fast Car: On a hot day in the flats, the temperature is 106.2 degrees. A driver finds an empty, flat stretch of desert that is 1913 meters long and decides to push the limits of his car. He finds the car can accelerate from 0 to 60 mph (26.8 m / s) in 4.95 s. Now he wants to see how fast the car can go. Assume the car maintains the same average acceleration until it reaches its top speed of 87.9 m / s. (a) How long will it take the car to reach its top speed? (b) How far will the car travel before it reaches its top speed?