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15. An unknown isotope goes through the following decay series to 282Pb. 50, 2 B, 1a,...
V Question 5 3.03 pts Suppose a radioactive isotope has a half-life t% = 99.1 hr....
V Question 5 3.03 pts Suppose a radioactive isotope has a half-life t% = 99.1 hr. How long will it take for a sample of the isotope to decay to 3.0% of its original activity? a. 218 hr b. 0.0354hr c. 348 yr d. 297 hr e. 501 hr O a Ob Ос Question 6 3.03 pts A radioactive isotope has a half-life, t% = 27.3 yr How long will it take for a 3.27 mCi sample of this isotope...
15. Three components are connected in series; the total resistance is 200 a. If the combined...
15. Three components are connected in series; the total resistance is 200 a. If the combined resistance of two of the components is 150, what is the resistance of the third component? 2. Given the c unknown val (a) 100 ohms () 25 ohms (c) 75 ohms (d) 50 ohms 16. What value of current will flow through the circuit in the diagram (Figure 5-26) on page 88 in the textbook? (a) 1 amp (b) 2 amps (c) 4 amps...
stuck on part b Consider the following infinite series. Complete parts (a) through (c). 50(0.1) k=1...
stuck on part b
Consider the following infinite series. Complete parts (a) through (c). 50(0.1) k=1 a. Find the first four partial sums S, S2, S3, and Sa S = 5 = 5.5 S₂ = 5.55 (Simplify your answer. Type an integer or a decimal.) Sa = 5.555 b. Find a formula for the nth partial sum S, of the infinite series. S. (Use integers or fractions for any numbers in the expression.) Use the formula to find the next...
Question 7 Question Question 1 3.04 pts The Isotopesc decays to "Ti, What decay process has...
Question 7 Question Question 1 3.04 pts The Isotopesc decays to "Ti, What decay process has occurred? Time Running Hide Attempt de 31 116 2 Hours, 50 Minutes, 24/7 Proctoring Sur a, a emission b.A. emission c. Yemission Calculator Live Chat d. positron emission CD Phone e, electron capture d O. is sharinn var screen Stop sharing Hide Question 2 3.03 pts Which of the following nudear reactions involves a chain reaction? a fission b. fusion c. bombardment d. B-emission...
please show all work. Thank you 145 140 130 Alpha decay Beta (-) decay 125 207...
please show all work. Thank you
145 140 130 Alpha decay Beta (-) decay 125 207 Pb 80 85 90 95 Enter the correct nuclide symbol in each open tan rectangle in Figure, which shows the sequences of decays in the natural radioactive series starting with the long-lived isotope uranium-235 and ending with the stable nucleus lead-207. Please use the online period table. Sym Naine 2 Li 6.96 Be 90122 14.007 15 18 998 20 180 21 22 Mn Fe...
all part of one question Determine whether the following series converges absolutely, converges conditionally, or diverges....
all part of one question
Determine whether the following series converges absolutely, converges conditionally, or diverges. OD (-1)"ax= k1 k=1 Vk 14 +9 Find lim ak. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. k-20 OA. lim ax - OB. The limit does not exist. (-1*45 Now, let a denote E What can be concluded from this result using the Divergence Test? 14 k=1 Vk +9 O A. The series Elak...
please answer part b) only The components in a series RCL circuit have values R= 50 2+ 10%, C = 15 uF +20% and X...
please answer part b) only
The components in a series RCL circuit have values R= 50 2+ 10%, C = 15 uF +20% and X = 10.5 mH +2%. (a) Draw the circuit diagram of these components including a voltage source. [4] (b) Determine the resonance angular frequency associated with it. cency, of the circuit and the percentage error estimate [6)
2. Consider the following time series data: 2Month Value 20 15 23 6 4 13 6 18 25 10 8 10 9 24 12 10 21 13 19 14 15...
2. Consider the following time series data: 2Month Value 20 15 23 6 4 13 6 18 25 10 8 10 9 24 12 10 21 13 19 14 15 la. Use a α # 0.25 to compute the exponential smoothing values for the time series. Compute MSE and a forecast for Month 12. b. Compare the two-month moving average forecast with the exponential smoothing forecast using a 0.25. Which appears to 17 provide the better forecast based on MSE?...
Please answer 2 3 and 4. thanks . 1. In this activity, we will be exploring...
Please answer 2 3 and 4. thanks .
1. In this activity, we will be exploring the relationship between the amount of a radioactive substance and the rate of decay. There are many forms of radioactive decay. For this activity we will be using beta (8) decay, when a neutron decays into an electron and proton, and gamma (7) decay, when an atom emits energy through a gamma photon. B- Decay y Decay High Energy+ Unstable Atom Neutron Low Energy+...
Question 3 part a & b. please show work! 3. The following time series shows the...
Question 3 part a & b. please show work!
3. The following time series shows the number of units of a particular product sold over the past six months. Units Sold Month (Thousands) 23 2 17 3 17 4 5 26 11 23 6 a. Use a = 0.2 to compute the exponential smoothing values for the time series, forecast the sales volume for month 7, and fill in the unknown spaces. Units Sold Forecast (F) error Squared error Month...
V Question 5 3.03 pts Suppose a radioactive isotope has a half-life t% = 99.1 hr. How long will it take for a sample of the isotope to decay to 3.0% of its original activity? a. 218 hr b. 0.0354hr c. 348 yr d. 297 hr e. 501 hr O a Ob Ос Question 6 3.03 pts A radioactive isotope has a half-life, t% = 27.3 yr How long will it take for a 3.27 mCi sample of this isotope...
15. Three components are connected in series; the total resistance is 200 a. If the combined resistance of two of the components is 150, what is the resistance of the third component? 2. Given the c unknown val (a) 100 ohms () 25 ohms (c) 75 ohms (d) 50 ohms 16. What value of current will flow through the circuit in the diagram (Figure 5-26) on page 88 in the textbook? (a) 1 amp (b) 2 amps (c) 4 amps...
stuck on part b
Consider the following infinite series. Complete parts (a) through (c). 50(0.1) k=1 a. Find the first four partial sums S, S2, S3, and Sa S = 5 = 5.5 S₂ = 5.55 (Simplify your answer. Type an integer or a decimal.) Sa = 5.555 b. Find a formula for the nth partial sum S, of the infinite series. S. (Use integers or fractions for any numbers in the expression.) Use the formula to find the next...
Question 7 Question Question 1 3.04 pts The Isotopesc decays to "Ti, What decay process has occurred? Time Running Hide Attempt de 31 116 2 Hours, 50 Minutes, 24/7 Proctoring Sur a, a emission b.A. emission c. Yemission Calculator Live Chat d. positron emission CD Phone e, electron capture d O. is sharinn var screen Stop sharing Hide Question 2 3.03 pts Which of the following nudear reactions involves a chain reaction? a fission b. fusion c. bombardment d. B-emission...
please show all work. Thank you
145 140 130 Alpha decay Beta (-) decay 125 207 Pb 80 85 90 95 Enter the correct nuclide symbol in each open tan rectangle in Figure, which shows the sequences of decays in the natural radioactive series starting with the long-lived isotope uranium-235 and ending with the stable nucleus lead-207. Please use the online period table. Sym Naine 2 Li 6.96 Be 90122 14.007 15 18 998 20 180 21 22 Mn Fe...
all part of one question
Determine whether the following series converges absolutely, converges conditionally, or diverges. OD (-1)"ax= k1 k=1 Vk 14 +9 Find lim ak. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. k-20 OA. lim ax - OB. The limit does not exist. (-1*45 Now, let a denote E What can be concluded from this result using the Divergence Test? 14 k=1 Vk +9 O A. The series Elak...
please answer part b) only
The components in a series RCL circuit have values R= 50 2+ 10%, C = 15 uF +20% and X = 10.5 mH +2%. (a) Draw the circuit diagram of these components including a voltage source. [4] (b) Determine the resonance angular frequency associated with it. cency, of the circuit and the percentage error estimate [6)
2. Consider the following time series data: 2Month Value 20 15 23 6 4 13 6 18 25 10 8 10 9 24 12 10 21 13 19 14 15 la. Use a α # 0.25 to compute the exponential smoothing values for the time series. Compute MSE and a forecast for Month 12. b. Compare the two-month moving average forecast with the exponential smoothing forecast using a 0.25. Which appears to 17 provide the better forecast based on MSE?...
Please answer 2 3 and 4. thanks .
1. In this activity, we will be exploring the relationship between the amount of a radioactive substance and the rate of decay. There are many forms of radioactive decay. For this activity we will be using beta (8) decay, when a neutron decays into an electron and proton, and gamma (7) decay, when an atom emits energy through a gamma photon. B- Decay y Decay High Energy+ Unstable Atom Neutron Low Energy+...
Question 3 part a & b. please show work!
3. The following time series shows the number of units of a particular product sold over the past six months. Units Sold Month (Thousands) 23 2 17 3 17 4 5 26 11 23 6 a. Use a = 0.2 to compute the exponential smoothing values for the time series, forecast the sales volume for month 7, and fill in the unknown spaces. Units Sold Forecast (F) error Squared error Month...
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