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1. What is the mass of the core of the Sun? 2. What percentage of the present mass of the core of the Sun is hydrogen? 3. If all the hydrogen is involved in the fusion of hydrogen into helium, how much total energy will be produced? 4. Two identical stars, A and B, have apparent magnitudes of +4 and +9, respectfully. a. Which star is farther away from the observer? b. How many times brighter is the closer star than the farther star? c. If the absolute magnitude of star B is +5, what is the distance to star B? d. Star A has a parallax angle of 0.1 second of arc. What is the distance to star A? What is star A's absolute magnitude? 5. Which star will spend less time on the main sequence, a K5 star or an A5 star? Why? 6. Calculate the Schwarzschild Radius of a black hole with a mass of 5 solar masses. Show all work and logic.
Weighing yourself on the scale only gives you limited information about your health. Explain why. How might you obtain more accurate information?
Discuss the role of free will or choice in ethics. Do different ethical theories view free will differently? How do classical and religious frameworks define the role of the individual and agency/choice?
Reviewing possible mental, genetic and childhood disease, what do you think are some possible diagnoses for Cindy and why?
Expectancy confirmation and the use of heuristics were discussed in the text as most closely linked to the goal of:
Imagine that a general estimate of elementary-school students who have lice is 8%. The principal of Clean Kids Elementary suspects that there is a lice epidemic at her school. Indeed, the nurse examined a sample of 150 children and found that 15 of t..
Describe the similarities between Siddhartha’s experience of enlightenment and later Buddhist notions of enlightenment. List the Four Noble Truths. Explain how they illustrate the practical nature of Buddhist teaching.
This population was inbred until the frequencies became: 0.83 RR + 0.10 Rr + 0.07 rr. Calculate the inbreeding coefficient for this population by equating one of the genotypes with the frequency expected with inbreeding.
Discuss how the work is a reflection of the ancient culture that created it. Also, did anything particularly surprise or impress you about the work of art or the ancient people who created it?
I have project for my Cost Analysis and Budgeting class. I have to develop a paper/project addressing a topic which incorporates the design and documentation of a Excel model directed towards a specific decision-making need or objective
The age of entering into puberty has declined from 15-16 over last century to age 11-12. At same time, it has been observed that there has been little change in psychological and intellectual development.
What is the initial pressure of the argon (before filling)? What is the tank temperature at the end of the filling process(as soon as the tank reaches 1000psia)? After the tank is filled, the valve is closed and the tank has a heat transfer with the ..
What opportunities in the marketing environment did Gannett seize in launching USA Today? How did the company learn about and respond to these opportunities?
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