Radioactivity b 1996
discovered radio when operimenting
The terococtity was cold by Becquerels doctoral student
She was the best w two Nobel -
physes the only woman to win ton, and the only person to win
Serent categones
died in 1934 ton poisoning The congers of radiation were not
to at that time. The papers and wortbois une used are sail stored
tody doe to their high levels of racist
comed out more in todiac
From 1898 und his death in 1937 he so prole in this discover the
The discovery occactivity led to as to turn into a useful tool. This
led ently to building recorrectors to provide clectric too cheap
to restos odletised in 1954 also led to the same of

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Observations show that interstellar clouds can have almost any shape and

To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin. answer in one word. part bfind e(r), the magnitude of the electric field at distance r from the point charge q. express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q. express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r