Students are lifting a 120 N block up using a lever. The distance from the block to the fulcrum is 2 meters and the distance from the fulcrum to the end that needs to be pushed down by the student is 10 meters. What is the mechanical advantage of the lever based on the location of the fulcrum.
And please write down you answer don't send a link thanks :)
A. 5
B. 10
C. 12
D. 60

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)

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little