How does a nuclear reactor produce energy? O Atoms, such as uranium, undergo fusion in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O Atoms, such as uranium, undergo fission in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O Atoms, such as uranium, burn in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O We do not currently have the technology to harness nuclear reactions to generate electricity.

How does a nuclear reactor produce energy? O Atoms, such as uranium, undergo fusion in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O Atoms, such as uranium, undergo fission in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O Atoms, such as uranium, burn in a reactor. This generates heat which turns water to steam in a turbine which generates electricity. O We do not currently have the technology to harness nuclear reactions to generate electricity.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter5: Relativity

Section: Chapter Questions

Problem 113AP: The sun energy at a rate of 3.85×10 26 W by the fusion of hydrogen. About 0.7% of each kilogram of...

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The sun energy at a rate of 3.85×10 26 W by the fusion of hydrogen. About 0.7% of each kilogram of hydrogen goes into the energy generated by the Sun. (a) How many kilograms of hydrogen undergo fusion each second? (b) If the sun is 90.0% hydrogen and half of this can undergo fusion before the sun changes character, how long could it produce energy at its current rate? (c) How many kilograms of mass is the sun losing per second? (d) What fraction of its mass will it have lost in the time found in part (b)?
Raymond Davis Jr.’s neutrino detector contained approximately 1030 chlorine atoms. During his experiment, he found that one neutrino reacted with a chlorine atom to produce one argon atom each day. A. How many days would he have to run the experiment for 1% of his tank to be filled with argon atoms? B. Convert your answer from A. into years. C. Compare this answer to the age of the universe, which is approximately 14 billion years (1.41010y) . D. What does this tell you about how frequently neutrinos interact with matter?
There is approximately 1034 J of energy available from fusion of hydrogen in the world's oceans. (a) If 1033 J of this energy were utilized, what would be the decrease in mass of the oceans? (b) How great a volume of water does this correspond to? (c) Comment on whether this is a significant fraction of the total mass of the oceans.
(a) Calculate the energy released by the destruction of 1.00 kg of mass. (b) How many kilograms could be lifted to a 10.0 km height by this amount of energy?
(a) Calculate the speed of a particle of dust that has the same momentum as a proton moving at 0.999c. (b) What does the small speed tell us about the mass of a proton compared to even a tiny amount of macroscopic matter?
When the plutonium bomb was tested in New Mexico in 1945, approximately 1 gram of matter was converted into energy. Suppose another bomb is tested, and 4.9 grams of matter are converted into energy. How many joules of energy are released by the explosion? J
(a) How much energy is released in the explosion of a fission bomb containing 3.0 kg of fissionable material? Assume that 0.10% of the mass is converted to released energy. (b) What mass of TNT would have to explode to provide the same energy release? Assume that each mole of TNT liberates 3.4 MJ of energy on exploding. The molecular mass of TNT is 0.227 kg/mol. (c) For the same mass of explosive, what is the ratio of the energy released in a nuclear explosion to that released in a TNT explosion?
(II) An internal explosion breaks an object, initially atrest, into two pieces, one of which has 1.5 times the mass ofthe other. If 5500 J is released in the explosion, how muchkinetic energy does each piece acquire?
(a) Using data from the table, calculate the mass converted to energy by the fission of 1.00 kg of uranium. (b) What is the ratio of mass destroyed to the original mass, Δm / m ?
The sun produces energy by nuclear fusion reactions, in which matter is converted into energy. By measuring the amount of energy we receive from the sun, we know that it is producing energy at a rate of 3.8 * 1026 W. (a) How many kilograms of matter does the sun lose each second? Approximately how many tons of matter is this (1 ton = 2000 lb)? (b) At this rate, how long would it take the sun to use up all its mass?
There is approximately 1034 J of energy available from fusion of hydrogen in the world’s oceans. (a) If 1033 J of this energy were utilized, what would be the decrease in mass of the oceans? (b) How great a volume of water does this correspond to? (c) Comment on whether this is a significantfraction of the total mass of the oceans.
The nuclear reaction that powers the sun is the fusion of four protons into a helium nucleus. The process involves several steps, but the net reaction is simply 4p → 4He + energy. The mass of a helium nucleus is known to be 6.64 x 10-27 kg.a. How much energy is released in each fusion?b. What fraction of the initial rest mass energy is this energy?