Two uniform disks with the same mass are connected by a light inextensible string supported by a massless pulley on a frictionless axis. the string is attached to a point on the circumference of disk a (on the left) and is wound around disk b (on the right) so that the disk will rotate like a yo-yo when dropped.

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)

The ph is the a.independent variable b.the dependent variable c.control group

What will happen in a hybrid vehicle if current flow becomes too high due to a short?