Which of the following descriptions explains the process of water freezing? water molecules speed up until they escape into a different phase. water molecules slow down until they begin to bond together. water molecules are squeezed together by high pressure until they begin to stick to one another. as water molecules cool, their shape changes from rounded to irregular, making them more likely to link to one another.

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical

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