Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 11, Problem 27Q
To determine
Why the reactor not explode like an atomic bomb?
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The energy yield of a nuclear weapon is often defined in terms of the equivalent mass of a conventional explosive. 1 ton of a conventional explosive releases 4.2 GJ. A typical nuclear warhead releases 250,000 times more, so the yield is expressed as 250 kilotons. That is a staggering explosion, but the asteroid impact that wiped out the dinosaurs was significantly greater. Assume that the asteroid was a sphere 10 km in diameter, with a density of 2500 kg/m3 and moving at 30 km/s. What energy was released at impact, in joules and in kilotons?
It is estimated that the total explosive yield of all the nuclear bombs in existence currently is about 4,000 MT.
(a) Convert this amount of energy to kilowatt-hours, noting that 1 kW ⋅ h = 3.60×106J .
(b) What would the monetary value of this energy be if it could be converted to electricity costing 10 cents per kW·h?
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Chapter 11 Solutions
Inquiry into Physics
Ch. 11 - Prob. 1MACh. 11 - Prob. 1PIPCh. 11 - Prob. 2PIPCh. 11 - Prob. 1MIOCh. 11 - Prob. 1QCh. 11 - Prob. 2QCh. 11 - Prob. 3QCh. 11 - Prob. 4QCh. 11 - Prob. 5QCh. 11 - Prob. 6Q
Ch. 11 - Prob. 7QCh. 11 - Prob. 8QCh. 11 - Prob. 9QCh. 11 - Prob. 10QCh. 11 - Prob. 11QCh. 11 - Prob. 12QCh. 11 - Prob. 13QCh. 11 - Prob. 14QCh. 11 - Prob. 15QCh. 11 - Prob. 16QCh. 11 - Prob. 17QCh. 11 - Prob. 18QCh. 11 - Prob. 19QCh. 11 - Prob. 20QCh. 11 - Prob. 21QCh. 11 - Prob. 22QCh. 11 - Prob. 23QCh. 11 - Prob. 24QCh. 11 - Prob. 25QCh. 11 - Prob. 26QCh. 11 - Prob. 27QCh. 11 - Prob. 28QCh. 11 - Prob. 29QCh. 11 - Prob. 30QCh. 11 - Prob. 31QCh. 11 - Prob. 32QCh. 11 - Prob. 33QCh. 11 - Determine the nuclear composition (number of...Ch. 11 - The isotope helium-6 undergoes beta decay. Write...Ch. 11 - Prob. 3PCh. 11 - A nucleus of oxygen-15 undergoes electron capture....Ch. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - . A Geiger counter registers a count rate of 4,000...Ch. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 1CCh. 11 - Prob. 2CCh. 11 - Prob. 3CCh. 11 - Prob. 4CCh. 11 - Prob. 5CCh. 11 - Prob. 6CCh. 11 - Prob. 7C
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- Radioactive isotope Lawrencium-266 has a half-life of 11 days. Suppose a sample of this substance has a mass of 240g. (a) Find a function m(t)=m,e that models the mass remaining after t days. (Round r to 3 decimal places.) (b) Find the mass remaining after three weeks. (c) How long will it take for the sample to decay to a mass of 30 g? (Round t to the nearest day.)arrow_forward(a)A particle of ionizing radiation creates 4000 ion pairs in thegas inside a Geiger tube as it passes through. and convert the energy to joulesor calories. (b) If all of this energy is converted to thermalenergy in the gas, what is its temperature increase, assuming50.0 cm3 of ideal gas at 0.250-atm pressure? (The smallanswer is consistent with the fact that the energy is large on aquantum mechanical scale but small on a macroscopicscale.)arrow_forwardI asked this question once and the answer returned was correct, but I couldn't follow the work so I'm hoping you can write it more clearly: A proposed nuclear reactor facility will have an electrical power output of 805 MW with a 30.2% efficiency in converting nuclear to electrical power. Assuming the average fission reaction produces 227 MeV, how many reactions will take place at the facility every second?arrow_forward
- This problem gives some idea of the magnitude of theenergy yield of a small tactical bomb. Assume that half theenergy of a 1.00-kT nuclear depth charge set off under anaircraft carrier goes into lifting it out of the water—that is, intogravitational potential energy. How high is the carrier lifted ifits mass is 90,000 tons?arrow_forwardIntegrated ConceptsOne scheme to put nuclear weapons to nonmilitary use is to explode them underground in a geologically stable region and extract the geothermal energy for electricity production. There was a total yield of about 4,000 MT inthe combined arsenals in 2006. If 1.00 MT per day could be converted to electricity with an efficiency of 10.0%: What would the average electrical power output be?arrow_forwardcan i get an explantion how the process happened? please? thank you!!arrow_forward
- We measure nuclear explosives in terms of kilotons of TNT (the bomb that destroyed Hiroshima in WWII was a 20 kiloton weapon.) 1 kiloton = 4.19 × 1012 Joules. How many Hiroshima-type bombs would you have to explode every second to equal the Sun's energy output? The purpose of this question is to illustrate that the most powerful (and destructive) things we (as a species) have created, there are things in the universe that are almost unimaginably more powerful.Number of Hiroshima-type bombs needed to equal 1 s of the Sun's energy output = _____ bombs/sarrow_forwardWhat kind Of....arrow_forwardCalculate the mass defect (in kg) of 150Nd if it has an observed atomic mass of 149.9208 amu. The mass of a proton and a neutron are 1.0078 and 1.0087 amu, respectively. Express your answers in three decimal places in scientific notation, i.e., 6.022e26 to represent 6.022x1020. No need to include negative sign and units.arrow_forward
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