If there were no inertia would cause the moon to travel in a straight line. a. gravity c. weight b. motion d. mass

In what direction does the medium move relative to the direction of the wave? explain.

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

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