A force F S

1 of magnitude 6.00

units acts on an object at the

origin in a direction u 530.0°

above the positive x-axis A second force F

S

2 of magnitude 5.00  units acts on the

object in the direction of the

positive y-axis. Find graphically

the magnitude and direction of

the resultant force F

S

1 1 F

S

2.​

Steam is generated in a boiler of a cogeneration plant at 10 mpa and 450°c at a steady rate of 5 kg/s. in normal operation, steam expands in a turbine to a pressure of 0.5 mpa and is then routed to the process heater, where it supplies the process heat. steam leaves the process heater as a saturated liquid and is pumped to the boiler pressure. in this mode, no steam passes through a condenser, which operates at 20 kpa. (a) determine the power produced in the turbine and the rate at which process heat is supplied in this mode. (b) determine the power produced in the turbine and the rate of process heat supplied if only 60 percent of the steam is routed to the process heater and the remainder is expanded to the condenser pressure. (3.32 mw; 9.69 mw; 4.25 mw; 5.82 mw)

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?