Physics, 17.04.2020 02:49, winstonbendariovvygn
The electric power generated by a single average size nuclear reactor block is between 400 and 800 MW. The fission of one 235U nucleus generates 185 MeV energy on average. What is the total mass of the fuel rods loaded into a 420 MW reactor for a one year period, if the fuel rods contain 5.50 percent of 235U? Assume that the overall thermodynamic efficiency of converting heat to electric energy is 40.0 percent.
Answers: 2
Physics, 22.06.2019 10:30, arigar
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
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