Ametal tank with a capacity of 1700 l is completely filled with ethanol when both the tank and the ethanol are at temperature 19.0 ∘c. then the tank and its contents are brought underground, where the temperature is 10.0 ∘c . what volume of air will there be above the ethanol in the tank after the system has cooled off to the ground temperature? the coefficient of volume expansion for ethanol is βe = 7.50×10−4 k−1 . the tank is made of a metal for which the coefficient of linear expansion is αt = 1.20×10−5 k−1 .

find the change in volume of the metal tank, δvt, and that of the ethanol in it, δve.
express your answers in liters separated by a comma.

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