Compare your answer with the 3.6×10⁶ tons of coal needed to fuel a comparable coal-burning power plant
A laser-fusion fuel pellet has mass 5.0 mg and consists of equal parts (by mass) of deuterium and tritium. (a) If half the deuterons and an equal number of tritons participate in D-T fusion, how much energy is released? (b) At what rate must pellets be fused in a power plant with 3000-MW thermal power […]
What was the decrease in the percent of homeless who are veterans over the 10-year period?
Exercises 1–5. A profile of the homeless in 27 selected cities, according to data compiled by the U.S. Conference of Mayors for 2004, is given in the following table. 1. What was the decrease in the percent of homeless who are veterans over the 10-year period? 2. Which of the categories increased over the […]
explore this indirect approach to particle detection by plotting the data in the table below.
1. Your roommate is writing a science-fiction novel set very far in the future, 70 Gy after the Big Bang. One of the characters is a cosmologist, and your roommate wants to know what the cosmologist will measure for the Hubble constant. What’s your answer, assuming a steady expansion rate? 2. When physicists “discover” a […]
Write the word name of the per capita personal income in Maine.
Exercises 73–76. The following table gives the per capita personal income in the New England states according to the U.S. Bureau of Economic Analysis. 1. Write the word name of the per capita personal income in Maine. 2. Round the per capita personal income in Massachusetts to the nearest thousand. 3. Which state has […]
Show that the range of static magnetic field strengths 0.1 to 2.0 tesla corresponds to the resonance frequencies 4.3 to 86 MHz for hydrogen.
23-1. Show that the range of static magnetic field strengths 0.1 to 2.0 tesla corresponds to the resonance frequencies 4.3 to 86 MHz for hydrogen. By using data from Table 23-1, find the corresponding resonance frequencies for 19F and 13C. 23-2 Find the number of 13C nuclei in 1 mg of pure 13C. By using […]