How many counts per second would you obtain
Suppose you had a detection device that could count every decay from a radioactive sample of plutonium-239 (t1/2 is 24000 yr). How many counts per second would you obtain from a sample containing 0.172 g of plutonium-239?
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Find the displacement amplitudes of the a) initial note and b) the final note. part c and d should be in pascals.
Given that the E(o) for Cu+ is 0.521V and the E(o) for Fe(2+) is -.440V, determine the cell potential for the reaction and state wether or not the reaction is spontaneous.
In the bucket there are 200 tickets and 36 of them have a W. Let's consider the first 20 students that draw a raffle ticket and calculate the following. What is the expected number of W's drawn?
An ambulance moving at 42 m/s sounds its siren whose frequency is 450Hz. A car is moving in the same direction as the ambulance at 25 m/s. What frequency does a person in the car hear (a) as the ambulance approaches the car? (b) After the ambulanc
Let the random variable Xdenote the yearly revenue of the product. Determine the cumulative distribution?
Two 69 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at 25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibtrium?
Suppose a compact disk (cd) you just purchased has 15 tracks. After listening to the CD, you decide that you like 6 of the songs. The random feature on your CD player will play each of the 15 songs once in a random order.
The population of Douglas fir trees was shown to have an approximately normal diameter distribution with mu = 50 centimeters (cm) and sigma = 12 cm. Find the diameter d such that 30% of the Douglas fir trees in the population have diameters that e
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Question: Which of the following are valid criticisms of the case-study method? Need Assignment Help?
For each of the 3 Disorder groups covered this week, Anxiety, Obsessive-Compulsive and Related Disorders, and Trauma and Stress-Related Disorders,
This week's discussion is an application of learning activity. Please identify and describe a child developmental concern that a parent may have
Problem: Based on my PRPSA score as 38 for public speaking anxiety, please answer these questions in paragraphs,
Demonstrate the understanding of genograms and how they can be applied to psychotherapy.
Naina and Samir, who are a couple, are passionate about each other. They are physically and sexually attracted to one another.
What are some three term contingency examples for positive and negative reinforcement, positive and negative punishment and extinction?