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- 2. Which of the following data sets is most likely the data that Alexandra and Sal recorded when running their first experiment? Length (m) b. Period Length Period Trial a. Trial (m) (s) (s) 1 0.5 2.84 1 0.5 1.42 1.0 2.46 2 1.0 2.01 1.5 2.01 3 1.5 2.46 4 2.0 1.42 4 2.0 2.84 Length (m) d. Period C. Length Period Trial Trial (m) (s) (s) 1 0.5 2.46 1.5 2.46 2 1.5 2.46 2 1.0 2.46 3 1.5 2.46 3 1.5 2.46 4 1.5 2.46 4 2.0 2.46 ate Education TM, Inc.A company wants to group a collection of autographed photos by price ranges. Make a relative frequency $2.50 $3.75 $5.27 $21.50 $43.00 $15.00 distribution of the prices using the intervals $0-$9.99, $10-$19.99, $20-$29.99, $30-$39.99, and $40-$49.99. $26.79 $14.78 $12.75 $29.00 $37.50 $48.00 $7.50 $6.50 $7.50 $8.00 $12.50 $15.00 $9.50 $8.25 $14.58 $25.00 $18.50 $45.00 $32.50 $20.00 $10.00 $17.50 $6.75 $28.50 Fill out the grouped frequency distribution. (Type integers or decimals rounded to the nearest tenth as needed.) Class Intervals Class Frequency Tally $0-$9.99 $10-$19.99 $20-$29.99 $30-$39.99 $40-$49.99 Relative Frequency1. What is the wavelength of a radio wave with a given frequency of 450 kHz? 2. What would be the frequency of a signal with a period of 0.1057? 3. A signal of 5 volts is corrupted by 7 mV rms of noise in a circuit. What is the S/N at this point
- Pendulum experimentA carbon signal measured in a 300MHz spectrometer with an observing frequency of 75.47MHz is found to have a chemical shift of 137.71 ppm. What is the resonance frequency of the carbon with this chemical shift? a. 41313.00 Hz b. 300041313 Hz c. 74480393 Hz d. 10392.97 Hz1. Use the data of three trials with the launcher in a horizontal position to determine average, standard deviation and uncertainty of both time and range. Table 1: Trial Time t_(s) Range Ax_(m) 1 0.2049 0.963 0.2114 0.972 3. 0.2083 1.009 Average 0.2082 0.981 Standard deviation Uncertainty Check: Measure the height of ncher H with your ruler: H = 21.4 cm calculate the theoretical time of flight: Is the above value in good agreement with the average time from table 1? Explain. 2. Using the data in Table 1 calculate the initial speed vo= Axevezse/toveurs Initial speed Xe= (units: