2. Draw a graph that shows the radioactivity of the oil as a function of time. This graph should have decays per second on the vertical axis and days on the horizontal axis. The horizontal range of the graph needs to be 0 to 1000 days.
2. Draw a graph that shows the radioactivity of the oil as a function of time. This graph should have decays per second on the vertical axis and days on the horizontal axis. The horizontal range of the graph needs to be 0 to 1000 days.
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Please help solve only question 2 where you have to draw the graph.
Transcribed Image Text:Radioisotopes are used in a variety of manufacturing and testing techniques. Wear
measurements can be made using the following method. An automobile engine is
produced using piston rings with a total mass of 100 g, which includes 9.4 mCi of °Fe
whose half-life is 45 days. The engine is test-run for 1500 hours, after which the oil is
drained and its activity is measured. If the activity of the engine oil is 3.72 x 103
decays/s.
(b) What would be the activity in the piston after 0.0802 grams has been worn off the
piston?
Transcribed Image Text:2.
Draw a graph that shows the radioactivity of the oil as a function of time. This
graph should have decays per second on the vertical axis and days on the horizontal axis.
The horizontal range of the graph needs to be 0 to 1000 days.
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