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when a certain metal is illuminated with light of frequency 3.1 ✕ 1015 hz, a stopping potential of 6.6 v is required to stop the most energetic ejected electrons. what is the work function of this metal?

answer= ev

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

You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius

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