change the answer 10. (0/5 points) DETAILS PREVIOUS ANSWERS The half-life of isotope 228 Th is...
10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the activity of 4e06 g of this isotope in Bq and Ct A- Bq and Am Find the activity of the sample ofer 47 years СА Submit Answer
g after 3.8 years. Th-228 has a half-life of 1.9 years. If you initially have 1.5 kg of Th-228, you will have choose your answer. choose your answer... 750 Previous 188 1500 375
The Strontium-90 isotope has a half-life of 28.1 years. Supposed we used a .10 Curie sample of Sr-90. That is, we used enough Sr-90 to have an activity of .10 Ci (1 Ci=3.7x1010 disintegrations/second) Calculate the activity of this sample when used by students 281 years from now.
[0.5/1 Points) DETAILS PREVIOUS ANSWERS MY NO OSCOLPHYS2016 27.8.P.096. (a) Light reflected at 58.8 from a gemstone in a ring is completely polarized. Can the gem be a diamond (n = 2.419 +0.06)? Yes No (b) At what angle (in degrees) would the light be completely polarized if the gem were in ethanol (n = 1.361)? Additional Materials Reading Submit Assignment Save Assignment Progress Home My Assignments Request Extension 29
both questions this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit Eignment Scoring best submission for each question part is used for your score. DETAILS MY NOTES A proton travels with a speed of 5.10 x 10 m/s at an angle of 61° with the direction of a magnetic field of magnitude 0.170 T in the positive x-direction. (a) What is the magnitude of the magnetic force...
s. O 0/1 points | Previous Answers SCalc? 7.7.016. My Notes Ask Your Tea ezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) 5 In(x3 +3) dx, n 10 (a) the Trapezoidal Rule (b) the Midpoint Rue (c) Simpson's Rule Submit Answer Save Progress Practice Another Version Submit Assignment Save Assignment Progress Home My Assignments Extension Request s. O 0/1 points | Previous...
please give me the right answer . humble request . thank you 0.71/1.42 POINTS PREVIOUS ANSWERS SCALCETS 11.8.015.MI. 2/3 Submissions Used Find the radius of convergence, R, of the series (x - 6)" 31 naon+ 1 R = 1 Find the interval of convergence, I, of the series. (Enter your answer using interval notation.) I = 6<x<8 Your answer cannot be understood or graded. More Information Submit Answer View Previous Question Question 5 of Home My Assignments Type here to...
ment Scoring est submission for each question part is used for your score. 0/1 points | Previous Answers sCalc8 2.8.040 My Brain weight B as a function of body weight W in fish has been modeled by the power function B 0.007w2/3, where B and W are measured in grams. A model for body weight as a function of body length L'(measured in centimeters) is w -o. 1222.53 If, over 10 million years, the average length of a certain species...
7. [-/10 Points DETAILS LARCALC11 4.5.513.XP.MI. A marwacturer of fertilizer finds that national sales of fertilizer follow the seasonal pattern shown below, where is measured in pounds and represents the time in days, with corresponding to January 1. == 120,000 + sin 2t - 10 The manufacturer wants to set up a schedule to produce a uniform amount of fertilizer each day. What should this amount be? Su Are View Previous Question question 7 of 10 view Nee Question Home...
Check Score Hide Answer Hide Solution Try Another Evaluate the integral. x-1 y2-3x - 28 dx (x-7)(x+4) Need Help? Read It Submit Answer Viewing Saved Work Revert to Last Response View Previous Question Question 2 of 19 View Next Question Home My Assignments # Request Extension