Lab 1_Background

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Apr 3, 2024

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METO 1010 Online Lab 1. Background Instructions: 1) Type your answers in this Microsoft Word file and save your completed lab on your computer. Do not modify the format of the file. 2) Upload your lab on CANVAS by the due date. To upload the file, go to the course homepage and click on “assignments”. Click on the assignment that you want to submit, and on “submit assignment”. In the “file upload” box, click on “choose file” and select the appropriate file. Finally, click on “submit assignment”. Only .doc, .docx, and .pdf files are accepted. 3) In questions that require calculations, you are not required to show every step of your work, but the more detailed your answers are the more likely you are to receive partial credit for wrong answers. 4) Proper units and terminology are always necessary. 1) You took a weather observation in eastern North Dakota on February 15, 2007 at 00Z. What was the local standard time and date? (1 point) Local Time: 18:00 CST Date: February 14, 2007 2) With a measuring tape, measure the length and width of your bedroom in ft. Use decimal ft (i.e., don’t use ft and in) and keep two decimal figures. Report the values below. (1 point) Bedroom length (ft)=10.92ft Bedroom width (ft)=7.96ft 3) Convert into in and report the values below (1 ft=12 in). Keep two decimal figures. (1 point) Bedroom length (in)= 10.92*12= 131.04 in Bedroom width (in)= 7.96*12= 95.52 in 1

4) Convert into m and report the values below (1 m=3.28 ft). Keep two decimal figures. (1 point) Bedroom length (m)= 10.92/3.28= 3.33 m Bedroom width (m)= 7.96/3.28= 2.43 m 5) Calculate the area of your bedroom in ft 2 and report the value below. Keep two decimal figures. (1 point) Bedroom area (ft 2 )= 10.92ft*7.96ft= 86.92 ft 2 6) Convert into in 2 and report the value below (1 ft=12 in). Keep two decimal figures. (1 point) Bedroom area (in 2 )= 12*12=144, 86.92*144= 12,516.48 in 2 7) Convert into m 2 and report the value below (1 m=3.28 ft). Keep two decimal figures in the final result and in your intermediate calculations. (1 point) Bedroom area (m 2 )= 3.28*3.28=10.76, 86.92/10.76= 8.08 m 2 8) Measure the height of your room in ft and report the value below. Use decimal feet and keep two decimal figures. (1 point) Bedroom height (ft)= 7.17ft 9) Measure the volume of your bedroom in ft 3 and report the value below. Keep two decimal figures. (1 point) Bedroom volume (ft 3 )= 10.92ft*7.96ft*7.17ft= 623.24 ft 3 10) Convert into m 3 and report the value below (1 m=3.28 ft). Keep two decimal figures in the final result and in all your intermediate calculations. (1 point) Bedroom volume (m 3 )= 3.28*3.28*3.28=35.29, 623.24/35.29= 17.66 m 3 2

11) Your bedroom is filled with air. Air density depends on elevation, temperature, and humidity. Assuming the air in your bedroom has a density of 1.23 kg x m -3 , calculate the mass of air that is filling your room in kg and report the value below. Keep two decimal figures. (1 point) Mass of air in the bedroom (kg)= 1.23 kg x m -3 *17.66 m 3 = 21.72 kg 12) Convert into lb and report the value below (1 kg=2.2 lb). Keep two decimal figures. (1 point) Mass of air in the bedroom (lb)= 21.72*2.2= 47.78 lb 13) An average breath of fresh air contains 10 22 molecules. The entire atmosphere contains 10 44 molecules. Calculate the number of breaths of air that are in the entire atmosphere and report the value below. (1 point) Number of breaths of air in the atmosphere= 10 22 14) Go to the following website https://forecast.weather.gov/MapClick.php?lat=40.2337&lon=- 111.6685#.W-XBgpNKhPZ . Report the value for the current wind speed at the Provo Airport in mi/hr. (1 point) Wind speed (mi/hr)= 3mph 15) Convert into km/hr and report the value below (1 mi=1.61 km). If the wind speed was 0 mi/hr, use a value of 17 mi/hr. Keep two decimal figures. (1 point) Wind speed (km/hr)= 4.83kph 16) Convert into m/sec and report the value below (1 km=1,000 m). Keep two decimal figures. (1 point) Wind speed (m/sec)= 4.83 km/hr * 1,000 m x 1 km -1 * 1 hr x 3,600 sec -1 = 1.34 m/s 17) A unit of distance traditionally used is the nautical mile, which is equal to one minute of latitude or to 1.15 statute (i.e. regular) miles. When distances are measured in nautical miles, 3

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speeds are measured in knots, where one knot is equal to one nautical mile per hour. Convert the current wind speed at the Provo Airport into knots. Keep two decimal figures. (1 point) Wind speed (knots)= 3/1.15= 2.61 knots 18) The average annual temperature in Orem is 53°F. Convert into °C and K and report the values below. Keep two decimal figures. (1 point) Orem average temperature (°C)= (53-32)/1.8= 11.67°C Orem average temperature (K)= 11.67+273= 284.67 K 19) The total weight of the atmosphere is 57000000000000000 tons. Report this number in scientific notation. (1 point) Weight of the atmosphere (tons)= 5.7 x 10 16 tons 20) The wavelength of gamma rays is 0.00000000003 m. Report this number in scientific notation. (1 point) Wavelength of gamma rays (m)= 3.0 x 10 -11 4

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