.A tennis ball is shot straight up with an initial velocity of 34 m/s. What is its velocity two seconds after launch?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

What are two different ways you could find the value of a? explain these methods.

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