calculate the total mechanical energy of a pendulum as it swings from its highest point to its lowest point pendulum mass is 4kg use your equations for gravitational potential energy and kinetic energy to determine these values based on the data given below total energy is the sum of gravitational potential energy and kinetic energy in this problem round gravity to G=10 m/s^2

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