There are two kinds of white dwarf stars. For each kind, explain the type of object...

There are two kinds of white dwarf stars. For each kind, explain the type of object it comes from and what it is made of, and how it is formed.

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genius_generous answered 2 years ago

To compare two kinds of bumper guards, six of each kind were mounted on a car....

To compare two kinds of bumper guards, six of each kind were mounted on a car. Then the car was run into a concrete wall. Statistics for the costs of repairs are: ¯x1 = 140, ¯x2 = 149, (s1)^2 = 80, (s2) ^2 = 82. Assume that the two populations are normal, independent and have the same variance. Test at α = .01 the null hypothesis that there is no difference between costs of repairs.

A type-Ia supernova may be the thermonuclear explosion of an accreting white dwarf that approaches the Chandresekhar limit.

A type-Ia supernova may be the thermonuclear explosion of an accreting white dwarf that approaches the Chandresekhar limit. An alternative scenario, however, is that supernova Ia progenitors are white-dwarf binaries that lose orbital energy to gravitational waves until they merge, and thus exceed the Chandrasekhar mass and explode. a) Show that the oribtal kinetic energy of an equal-mass binary with seperation a and individual masses M is E_{k}=\frac{GM^{2}}{2a} and the total orbital energy (kinetic plus gravitational) is minus this...

A neutron star and a white dwarf have been found orbiting each other with a period...

A neutron star and a white dwarf have been found orbiting each other with a period of 26 minutes. If their masses are typical, what is their average separation? Compare the separation with the radius of the sun, 7 ✕ 105 km. (Hints: Use the version of Kepler's third law for binary stars, MA + MB = a3 P2 ; make sure you express quantities in units of AU, solar masses, and years. Assume the mass of the neutron star...

Explain white dwarfs, neutron stars, and black holes using statistical mechanics.

There are two kinds of interface polymorphism. Explain each with the use of Java snippets to...

There are two kinds of interface polymorphism. Explain each with the use of Java snippets to show polymorphic behavior. (Your code doesn't have to implement any algorithmic logic, just the essential set up needed to support your explanation.)

4. For each of the following haskell type declarations, declare an object of the type this....

4. For each of the following haskell type declarations, declare an object of the type this. a. type this = ([Bool], Float) b. type this = (Float, Integer) -> ([Float], Integer) c. data that = new Char | old Integer type this = [(Float, that)] d. type this = (a, b) -> (a, a)

There are two kinds of workers. One kind has a constant marginal product worth $10 and...

There are two kinds of workers. One kind has a constant marginal product worth $10 and the other kind has a constant marginal product worth $15. There are equal numbers of each kind of worker. A firm cannot tell the difference between the two kinds of workers. Suppose that the high productivity workers all choose to take the microeconomics course and the low productivity workers all choose not to. In this equilibrium, what is the competitive wage for people who...

Define white collar crime. Provide and explain a type of white collar crime. Should there be...

Define white collar crime. Provide and explain a type of white collar crime. Should there be sentencing guide lines for this type of crime?

A) C&A sells two kinds of eggs: brown and white. Brown eggs are 5% more expensive...

A) C&A sells two kinds of eggs: brown and white. Brown eggs are 5% more expensive than white. Which of the following is the most appropriate way to measure how many eggs C&A has in inventory? In dollars In dozens In inches In ounces B)Inventory turns and days-of-supply measure _______ items remain in __________. how long, inventory how valuable, inventory how long, sales how valuable, sales C)Higher days of supply means _________ inventory. Higher turns means ______ inventory. more, more...

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There are two kinds of white dwarf stars. For each kind, explain the type of object...

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