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-/1 points v SHIPPS14 10.E.019. Use the graph in the figure below to find the half-life...
0/1 points Previous Answers SHIPPS14 10.E.022. Use the graph in the figure below to find how...
0/1 points Previous Answers SHIPPS14 10.E.022. Use the graph in the figure below to find how long it would take the original sample of isotope B to decrease to 10 g. Enter a number Grams of radionuclide 10 40 20 30 Time (days)
-/1 points V S HIPPS14 10.E.020. Use the graph in the figure below to find the...
-/1 points V S HIPPS14 10.E.020. Use the graph in the figure below to find the half-life of isotope B. 40 Grams of radionuclide FAITH 10 20 30 Time (days)
-11 points SHIPPS14 10..018. What is the half-life of a radioactive isotope If the activity of...
-11 points SHIPPS14 10..018. What is the half-life of a radioactive isotope If the activity of a sample drops from 6,560 cpm to 205 cpm in 24.0 min? min Need Help? Read It
By looking at the graph, is it right to say that " Bq means 1 decay...
By looking at the graph, is it right to say that "
Bq means 1 decay per second, in this case 50 decays in 13,6
days?
Activity (Bad +Half-life- --- Half-life- I Half-life — 0 + 10 30 40 20 Time (days) Figure 5. Finding the half-life from three different sections of the graph to improve precision. The three measured half-lives are: • blue: 13.6 days • purple: 16.2 days • green: 18.0 days.
(Can you show work for these questions) If a radioactive material decomposes with a half-life of...
(Can you show work for these questions) If a radioactive material decomposes with a half-life of 2 days, how much of a 16- gram sample will remain after 10 days? A. 4.0 grams B. 2.0 grams C. 1.0 grams D. 0.5 grams If 2.5 grams of a radioactive isotope exist after 30 days in a storage vial, how much was present when it was sealed if the t1/2 = 6 days? A. 80 grams B. 60 grams C. 40 grams...
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are...
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds ? 30 seconds? 40 seconds? 50 seconds? The amount left after 10 seconds is grams The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds? The amount left...
The graph below represents the number of counts detected from a sample of a radioactive isotope...
The graph below represents the number of counts detected from a sample of a radioactive isotope as a function of time. What is the isotope's half-life? 1000 800 600 400 200 I0 20 30 40 50 t in minutes) Incorrect. Tries 2/10 Previous Tries Submit Answer Based on the graph above, how many total counts were detected between 24.0 and 32.0 minutes? Tries 0/10 Submit Answer nuTu ad suno
10. The figure below shows the v-t graph for the motion of a car along a...
10. The figure below shows the v-t graph for the motion of a car along a straight road. Assume the car starts from rest at s0. v (ft/s) 60 u=1+30 40 t (s) 10 30 a. b. c. Draw the s-t graph for the car Determine the average speed over the 30-second time interval Determine the total distance traveled over the 30-second time interval
6. 0/2 points v Previous Answers SERPSET9 32.P.019. Consider the circuit shown in the figure below....
6. 0/2 points v Previous Answers SERPSET9 32.P.019. Consider the circuit shown in the figure below. (Assume L = 5.25 mh and R2 = 460 2.) L -100% 24.0 V R Rz (a) When the switch is in position a, for what value of R1 will the circuit have a time constant of 15.2 us? 0.458 Your response differs from the correct answer by more than 10%. Double check your calculations. k2 (b) What is the current in the inductor...
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot...
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot of the radioactive decay of l-131. Use Figure 2 to work out the half-life of I-131 by considering two consecutive half-lives for the isotope. Show your calculations. (3 marks) 250 000 200 000 150 000 number of I-131 nuclei 100 000 50 000 0 0 5 10 20 25 30 35 15 time/days Figure 2 A graph of the radioactive decay of l-131.
0/1 points Previous Answers SHIPPS14 10.E.022. Use the graph in the figure below to find how long it would take the original sample of isotope B to decrease to 10 g. Enter a number Grams of radionuclide 10 40 20 30 Time (days)
-/1 points V S HIPPS14 10.E.020. Use the graph in the figure below to find the half-life of isotope B. 40 Grams of radionuclide FAITH 10 20 30 Time (days)
-11 points SHIPPS14 10..018. What is the half-life of a radioactive isotope If the activity of a sample drops from 6,560 cpm to 205 cpm in 24.0 min? min Need Help? Read It
By looking at the graph, is it right to say that "
Bq means 1 decay per second, in this case 50 decays in 13,6
days?
Activity (Bad +Half-life- --- Half-life- I Half-life — 0 + 10 30 40 20 Time (days) Figure 5. Finding the half-life from three different sections of the graph to improve precision. The three measured half-lives are: • blue: 13.6 days • purple: 16.2 days • green: 18.0 days.
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds ? 30 seconds? 40 seconds? 50 seconds? The amount left after 10 seconds is grams The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds? The amount left...
The graph below represents the number of counts detected from a sample of a radioactive isotope as a function of time. What is the isotope's half-life? 1000 800 600 400 200 I0 20 30 40 50 t in minutes) Incorrect. Tries 2/10 Previous Tries Submit Answer Based on the graph above, how many total counts were detected between 24.0 and 32.0 minutes? Tries 0/10 Submit Answer nuTu ad suno
10. The figure below shows the v-t graph for the motion of a car along a straight road. Assume the car starts from rest at s0. v (ft/s) 60 u=1+30 40 t (s) 10 30 a. b. c. Draw the s-t graph for the car Determine the average speed over the 30-second time interval Determine the total distance traveled over the 30-second time interval
6. 0/2 points v Previous Answers SERPSET9 32.P.019. Consider the circuit shown in the figure below. (Assume L = 5.25 mh and R2 = 460 2.) L -100% 24.0 V R Rz (a) When the switch is in position a, for what value of R1 will the circuit have a time constant of 15.2 us? 0.458 Your response differs from the correct answer by more than 10%. Double check your calculations. k2 (b) What is the current in the inductor...
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot of the radioactive decay of l-131. Use Figure 2 to work out the half-life of I-131 by considering two consecutive half-lives for the isotope. Show your calculations. (3 marks) 250 000 200 000 150 000 number of I-131 nuclei 100 000 50 000 0 0 5 10 20 25 30 35 15 time/days Figure 2 A graph of the radioactive decay of l-131.
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