A toy car is at the top of a ramp. It has 20 J of gravitational potential energy. When it runs down the ramp and reaches the bottom it has zero gravitational potential energy.

Assuming friction and air resistance have no effect, how much kinetic energy does it have at the bottom of the ramp?

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