7. With respect to projectile motion, which of the following statements is true? A. As a projectile is moving up, its velocity decreases and its acceleration increases.
B. As a projectile is moving down, its velocity increases and its acceleration decreases.
C. As a projectile is at the top of its flight, its velocity is at a minimum and its acceleration is at a maximum.
D. As a projectile is moving down, its velocity increases and its acceleration remains the same

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