Questions from College Physics

Q: On March 11, 2011, a magnitude 9.0 earthquake

On March 11, 2011, a magnitude 9.0 earthquake struck northwest Japan. The tsunami that followed left thousands of people dead and triggered a meltdown at the Fukushima Daiichi Nuclear Power Plant, rel...

Q: Identify the missing nuclides in the following decays: (a

Identify the missing nuclides in the following decays: (a) 21283Bi ( ? + 24He (b) 3695Kr ( ? + e- + v- (c) ? ( 24He + 14058Ce

Q: Complete the following radioactive decay formulas: (a) 512B

Complete the following radioactive decay formulas: (a) 512B ( ? + e- + v- (b) 23490Th ( 23088Ra + ? (c) ? ( 714N + e- + v-

Q: The mass of 56Fe is 55.9349 u, and the

The mass of 56Fe is 55.9349 u, and the mass of 56Co is 55.9399 u. Which isotope decays into the other and by what process?

Q: When an electron and a positron meet at low speed in empty

When an electron and a positron meet at low speed in empty space, they annihilate each other to produce two 0.511 - MeV gamma rays. What conservation law would be violated if they produced one gamma r...

Q: Find the energy released in the alpha decay of 23892U. The

Find the energy released in the alpha decay of 23892U. The following mass value will be useful: 23490Th has a mass of 234.043583 u.

Q: Determine which of the following suggested decays can occur spontaneously:

Determine which of the following suggested decays can occur spontaneously: (a) 2040Ca ( e+ + 1940K (b) 14460Nd ( 24He + 14058Ce

Q: 6628Ni (mass = 65.9291 u) undergoes beta decay

6628Ni (mass = 65.9291 u) undergoes beta decay to 2966Cu (mass = 65.9289 u). (a) Write the complete decay formula for this process. (b) Find the maximum kinetic energy of the emerging electrons.

Q: A 3H (tritium) nucleus beta decays into 3He by creating

A 3H (tritium) nucleus beta decays into 3He by creating an electron and an antineutrino according to the reaction Use Appendix B to determine the total energy released in this reaction.

Q: In the decay 23490Th ( AZRa + 42He, identify (

In the decay 23490Th ( AZRa + 42He, identify (a) The mass number (by balancing mass numbers) and (b) The atomic number (by balancing atomic numbers) of the Ra nucleus.