In which of the following is no work done a. climbing stairs b. lifting a book c. pushing a shopping cart d. none of the above

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

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