The power needed to operate your body is about 100 watts. Suppose a human body (of typical mass) could run on fusion power and could convert 0.6% of its mass into energy. 1.) How much energy would be available through fusion? a.) 3×1015 J b.) 3×1016 J c.) 3×1017 J d.) 3×1018 J e.) 3×1019 J 2.) For how long could this body then operate on fusion power? (Express your answer using one significant figure and answer in years)
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- Q4. A neutron at rest decays into a proton with a decay energy of 0.782 Me. What will be the maximum kinetic energy of the residual proton?6. The binding energy is the work that must be done to allow an object to escape to infinity. What is the binding energy for an object: a) on the surface of the earth b) in a circular orbit around the earth5. A) Explain the special relativistic expression for energy E=mc^2. B) What is the connection with the nonrelativistic expression for the kinetic energy E= 1/2mv^2? C) Discuss the generation of energy by the unclear processes of fission and fusion.
- D Question 3 If a given mass undergoes a process in which that mass generates energy, what can we say about whether mass is conserved or not in light of E=mC²? O Mass is absolutely conserved because mass cannot be created or destroyed. O Mass is absolutely not conserved because an appreciable part is converted to energy. O We can assume that mass is conserved because the amount of mass converted to the energy is extremely small, and hence negligible O Mass is not conserved because a big part is converted to energy. O None of the above is reasonable.Part 1: Carbon dating An archaeologist finds some ancient jewelry made from bone. The jewelry has a carbon mass of 387 g (HINT: Assume all the carbon is 12C and determine the number of atoms, 12C has a molar mass of 12 g/mol) and careful measurements show that the remaining 14C has a current decay rate of 20 decays/s. Determine the age of the bone (and presumably the jewelry). The ratio of 14C to 12C when the animal died was 1.25x10-12 & the half-life of 14C is 5730 y. Additionally, 1 mol = 6.022×1023 particles, 1 y = 365.25 days, & 1 day = 24 h. age of bone = Part 2: Rubidium-Strontium dating A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This is possible because 87Rb, which has a half-life of 4.75×1010 y, undergoes - decay and becomes 87Sr. The geologist determines that the ratio of 87 Sr to 87Rb is 0.033. Assuming there was no 87Sr in the rock when it was formed, determine the age of the rock. age of rock =Thinking Nuclear Power is a perfect example of exponential relations. Canada produces over half of its electricity using nuclear reactors. One of the major problems associated with nuclear power generation is the radioactive waste. Currently all nuclear waste is stored on site at the power plant and there is no solution for the long term waste. After completing this Grade 11 Functions and Applications course, you have been put in charge of Energy Production in Canada. A) What would you do with the long term waste? B) How would you take care of Canada's energy needs for the future?