Two routes connect an origin-destination pair with performance functions: t1= 5 + 0.5 (x1/2)^2; t2= 7 + (x2/4)^2 (with t's in minutes and x's in thousands of vehicles per hour). it is known that at user equilibrium, 75% of the origin-destination demand take route 1. what percentage would take route 1 if a system-optimal solution were achieved, and how much travel time would be saved?

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.

Wiy doeres rere okhn a pump whon working betwon the same pressure range?