What is the function of the governor in a steam engine?
a. controls speed by regulating the amount of steam sent to the engine c. controls the amount of steam released through the safety valve b. regulates the amount of heat sent to the boiler d. regulates the flow of water into the boiler

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.