Physics Laboratory Experiments
Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Chapter 5, Problem 5Q
To determine

The physical significance of the slope of y versus t graph of the car for the case of the level air track.

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Analysis of time series data for a given site has yielded an average velocity of 6 m/s. It is determined that a Rayleigh wind speed distribution gives a good fit to the wind data. a) Based on a Rayleigh wind speed distribution, estimate the number of hours that the wind speed will be between 9.5 and 10.5 m/s during the year. b) Using a Rayleigh wind speed distribution, estimate the number of hours per year that the wind speed is equal to or above 16 m/s.
It was reported that on a particular day in Saint Cloud MN, the atmospheric pressure was 94,980 Pa at the ground level. If a student measured with a barometer and find the pressure to be 94,760 Pa, approximately how high above ground was she making the measurement? Assume atmospheric pressure decreases 11.7 Pa per meter of altitude increase during that day.
This was wrong. Can you solve this again with these numbers? What is the root mean square velocity, vrms, for Hydrogen molecules (H2) at 20oC? Hint: How many amu does an H2 molecule contain. 1 amu = 1.67 x 10-27 kg Boltzman's Constant, k = 1.38 x 10-23 J/K Give your answer in m/s to 4 significant figures (NO DECIMALS)
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