How much current must pass through a horizontal power transmission cable in order for the magnetic field at a location 24 mm directly below it to be equal to the Earth's magnetic field, which is approximately 9.0×10−5T9.0×10−5T?

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road

Asquare 1m x 1m plate is shown below. all four of its edges are kept at 0 co. at t=0the temperature distribution is given by: y xtsins n75)=.a) using separation of variables determine the temperature distribution t(x,y,t)along the plate at any time t.b) discretize the heat conduction equation +=22222 txtusing a second-order centered difference scheme for the two second derivatives and a first-order forward euler scheme for the first derivative. using von neumann stability analysis, determine the stability criterion for the proposed discretization scheme in terms of , hand t. solve for the maximum allowable time step tmax

Which system of units is used by only a small number of countries in the world, including the u.s.