A10-m-thick confined aquifer has a transmissivity of 1.30 x 10-3 m2 /sec. when a 30-cm-diameter well is pumped at the rate of 30 m3 /hr, the drawdown in the piezometric surface at an observation well 30 m away is 9.60 m when it is not impacted by an aquifer boundary. if an identical well is installed in the same aquifer, but located 30 m from a fully-penetrating impermeable boundary, determine the drawdown at the boundary and at the well.

Mga halaman/punong ornamental na di namumulaklak

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

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?