What's true about the elliptical path that the planets follow around the sun? a. a line can be drawn from the planet to the sun that follows the same curve as the ellipse. b. a vector can be drawn from the center of one planet to the center of an adjacent planet. c. a line can be drawn from the planet to the sun that sweeps out equal areas in equal times. d. a scalar can be measured from the angle that the planet travels relative to the sun's orbit

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

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