The half-life of radium-226 is 1S90 years. Suppose we start with a sample of radium-226 whose mass
Question:
(a) Find a formula for the mass m(t) remaining after t years and use this formula to predict the mass remaining after 1000 years.
(b) When will only 10 mg remain?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 73% (15 reviews)
a Let mt ae ct Then m0 ae c0 a 50 so that mt 50e ct Since the halflife is 1590 years we know t...View the full answer
Answered By
PALASH JHANWAR
I am a Chartered Accountant with AIR 45 in CA - IPCC. I am a Merit Holder ( B.Com ). The following is my educational details.
PLEASE ACCESS MY RESUME FROM THE FOLLOWING LINK: https://drive.google.com/file/d/1hYR1uch-ff6MRC_cDB07K6VqY9kQ3SFL/view?usp=sharing
3.80+
3+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Linear Algebra questions
-
1. If you repeat the dice game several times, or perhaps in a class, you might find that Red occasionally comes out the winner. Seeing that all of the others lose with Red, how might it be that some...
-
The half-life of radium is 1690 years. If 10 grams is present now, how much will be present in 50 years?
-
The half-life of radium-226 is 1620 yr. a. Write a function that relates the amount s of a sample of radium-226 remaining after t years. b. After 1000 yr, how much of a 500 g sample of radium-226...
-
Evaluate the limit or determine that it does not exist. |xx| lim (x,y)(0,0) [x] + [yl
-
Haley Company, organized in 2014, has these transactions related to intangible assets in that year: Jan. 2Purchased a patent (5-year life) $280,000. Apr. 1 Goodwill acquired as a result of purchased...
-
Alternative objectives of firm decision-making, we expanded the profit motive to consider the goal of sustainability. As part of the motivation for studying the economics of sustainability, we...
-
To test the effectiveness of general controls in an EDP system, the auditor may perform the following procedures: 1. Trace selected program changes to supporting documentation. 2. Review and evaluate...
-
Buchanan Company recently was sued by a competitor for patent infringement. Attorneys have determined that it is probable that Buchanan will lose the case and that a reasonable estimate of damages to...
-
Multiply the first equation by 2. Give the abbreviation of the indicated operation. 2* - 2y = 5 2x+5y = 2 x + The transformed system is y = (Simplify your answers.) 2x + 5y= 2.
-
A traditional pair of scales uses sliding masses of 10 g and 100 g to achieve a balance. A diagram of the arrangement is shown in Figure 4.23. The bar itself is supported with its centre of gravity...
-
Table 6.2 gives the population of the United States at 10-year intervals for the years 1900-2000. (a) Assuming an exponential growth model, use the data for 1900 and 1 9 1 0 to find a formula for...
-
Radiocarbon dating is a method used by scientists to estimate the age of ancient objects that were once living matter, such as bone, leather, wood, or paper. All of these contain carbon, a proportion...
-
Describe the steps in the traditional organizing drive. What nontraditional organizing tactics are unions using to increase their membership ranks?
-
What are the strength and direction of an electric field that INf will balance the weight of (a) a proton and (b) an electron?
-
You are looking straight into the front of an aquarium. You see a fish off to your right. Is the fish actually in the direction you're looking, farther to the right, or farther to the left? Explain.
-
In The Toilet of Venus by Velzquez, we can see the face of Venus in the mirror. Can she see her own face in the mirror, when the mirror is held as shown in the picture? If yes, explain why; if not,...
-
A piece of transparent plastic is molded into the shape of a converging lens, but it is hollow inside and has only a thin plastic wall. If immersed in water, would this air-filled lens act as a...
-
A lens can be used to start a fire by focusing an image of the sun onto a piece of flammable material. All other things being equal, would a lens with a short focal length or a long focal length be...
-
In Exercises use the alternative form of the derivative to find the derivative at x = c (if it exists). g(x) = (x + 3)/, c = 3 -3
-
Answer the following two independent questions. a. MM Corporation is considering several proposed investments for the coming budget year. MM produces electrical apparatus for industrial complexes....
-
Water accounts for 55% of a woman's weight (ga.water.usgs.gov/edu). Lily weighs 135 lb. How much of her body weight is water?
-
Water accounts for 60% of a man's weight (ga.water.usgs.gov/edu). Jake weighs 186 lb. How much of his body weight is water?
-
A Central Railway freight train leaves a station and travels due north at a speed of 60 mph. One hour later, an Amtrak passenger train leaves the same station and travels due north on a parallel...
-
3) Two masses are connected with a thin string over a massless, frictionless pulley. If the 12.0 kg box descends 14.0 m in 8.00 seconds after being released from rest, draw two free body diagrams and...
-
For this problem, consider a model of the hydrogen atom where the "atom" is an electron confined to be in a one-dimensional box. Take the length of the box, L, to be twice the Bohr radius ao. The...
-
A floating ice block is pushed through a displacement a = (23.0 m ) - (22.0 m ), along a straight embankment by rushing water, which exerts a force = (266 N )i (186 (186 N ); on displacement? on the...
Study smarter with the SolutionInn App