Arocket initially at rest accelerates at a rate of 99.0 meters/second2. calculate the distance covered by the rocket if it attains a final velocity of 445 meters/second after 4.50 seconds.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

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

How do you know how many valence electrons an atom has?