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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...
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
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
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...
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
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
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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