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# 5.9: Review Questions

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1. How much money would a “meganaire” have?
2. At one time Bill Gates was worth $50$ billion dollars. Express this in words using the science prefixes for sizes.
3. A particle of negligible mass moves between two plates of a linear accelerator as shown in Figure 17. By how much does the energy (in $\;\mathrm{eVs}$) of the particle’s energy change?

4. A particle of negligible mass moves between two plates of a linear accelerator as shown in Figure 18. How much energy (in $\;\mathrm{eVs}$) does the particle’s energy change by?

5. A particle of negligible mass moves between two plates of a linear accelerator as shown in Figure 19. How much energy (in $\;\mathrm{eVs}$) does the particle’s energy change by?

6. What is the centripetal acceleration needed to turn a particle with a mass of exactly $100$ protons traveling at $2.00 \times 10^8\;\mathrm{m/s}$ around a ring the size of the LHC ($\mathrm{circumference} = 27 \;\mathrm{km})$?

Feb 23, 2012

Aug 26, 2014

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CK.SCI.ENG.SE.1.Physics-21st-Century.5.9