PHYS 199M Problem Set 7
Solutions
Chris Verhaaren
Problem 1
Fermis exponential multiplier coefficient, k, was defined as the number of fissions induced
by an average neutron if the system were scaled up to infinite size. Of course, all measurements of it

PHYS 199M Problem Set 1
Solutions
Chris Verhaaren
Problem 1
A 1 kg mass at rest is dropped from a height of 10 m into a tub of water with a volume of
1 m3 . Assuming that all the kinetic energy of the fallen mass is converted into heat which
raises the te

PHYS 199M Problem Set 4
Due Oct. 10-12, 2016 (submit in appropriate sections)
1. The uncertain principle can be used to get a qualitative estimate of certain quantities in nuclear physics.
A typical nucleus has a radius of a few times 10-15 m. You model a

PHYS 199M Problem Set 1
Due Sept. 19-21, 2016 (submit in appropriate sections)
Some useful facts and formulae:
Water has a density of 1 kg per 1000 cm3 which is equivalent to 1000 kg per m3
1 C=1000 c (C is the food calorie or kilocalorie) is the energy

PHYS 199M Problem Set 3
Due Oct. 3-5, 2016 (submit in appropriate sections)
1. TNT has a chemical energy content of 1 C/g. Suppose that exactly 10 Kgs of TNT explodes.
The explosion leaves behind various chemicals (nitrogen molecules, hydrogen molecules,

PHYS 199M Problem Set 2
Due Sept. 26-28, 2016 (submit in appropriate sections)
1. Consider a decay chain starting with 239Pu (plutonium 239), a man made element with A=239
and Z=94. One path in the chain has consists on the following decays in sequential

PHYS 199M Problem Set 7
Due Nov. 14-16, 2016 (submit in appropriate sections)
This problem set focuses on issues associated with isotope enrichment
1.
2.
3.
4.
Fermis exponential multiplier coefficient, k, was defined as the number of neutrons induced by