(a) What is the average density of the sun? (b) What is the ensity of a neutron star that has the same mass as the sun b of only 20.0 km?
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In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 80.934 km? (express your answer in the proper SI unit and without scientific notation)
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- In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 54.996 km? (express your answer in the proper SI unit and without scientific notation)In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 7.151 km? (express your answer in the proper Sl unit and without scientific notation)Problem 28.04. The Big Bang that began the universe is estimated to have released 1068 J of energy. How many stars could half this energy create, assuming the average star’s mass is 4.00 × 10³⁰ kg ?
- In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 14.130 km? (express your answer in the proper SI unit and without scientific notation)In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 58.265 km? (express your answer in the proper SI unit and without scientific notation) PLS MAKE IT WITHOUT SCIENTIFIC NOTATION OR MAKE IT IN FULL CONTEXTPlease do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer. and and Very very grateful! (Numbers retain 4 decimal places during calculations)
- The Sun and all Main Sequence stars derive their luminosity by fusing hydrogen to helium; in particular 4 1H ® 1 4He + Energy (photons) The mass of a proton is 1.0078 AMU, while the mass of a helium nucleus is 4.0026 AMU. a) How much mass is ``lost'' (in AMU and kg) in fusing four H atoms to one helium? This is called the mass defect. b) Mass isn't really lost, of course. It is converted to energy via E=mc2. How much energy in joules (J) is liberated in a single reaction? c) How many reactions per second are required to account for the entire luminosity of the Sun?In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 89.178 km? (express your answer in the proper SI unit and without scientific notation) The exact number or answer to type in the box, WITHOUT SCIENTIFIC NOTATION.a)Define the term “standard candle” as used in cosmology. b)The flux is defined asf(Dlum) = L/4πD^2lumwhere L is the absolute luminosity and Dlum is the distance to the radiation source (youmay assume z ≪ 1).Assume that we have measured the flux to be f = 7.234 10^−23 Wm^−2 and the absoluteluminosity is given by L = 3.828 x10^26W. Calculate the luminosity distance D lum to the objectin Mpc.
- In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 87.093 km? (express your answer in the proper SI unit and without scientific notation)In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section), what is the answer for sub-item (b) if the radius of the neutron star is 18.273 km? (express your answer in the proper SI unit and without scientific notation)In Exercise 12.4, what is the answer for sub-item (b) if the radius of the neutron star is 70.617 km? (express your answer in the proper SI unit and without scientific notation)