Radioactivity of Radon 222!
Homework Statement
Uranium is naturally present in rock and soil. At one step in its series of radioactive decays, Uranium produces the chemically inert gas radon-222, with a half-life of 3.82 days. The radon seeps out of the ground to mix into the atmosphere...
Homework Statement
Calculate the energy associated with the magnetic field of a 191-turn solenoid in which a current of 1.37 A produces a magnetic flux of 3.52 10-4 T · m2 in each turn.
mJ
uo=4pie x10^-7
Homework Equations
ub=B^2/2uo(the constant)
U=1/2LI^2
The Attempt at a...