Hi with this question! need the workings. a copper penny has a mass of 2.6 g assuming it is pure copper, how much of this mass is contributed by a) the neutrons in the copper nuclei b) the electrons. the answers are a) 1.41 g b) 6.5 x 10^-4,

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