A 819,000 W engine can accelerate from rest to top speed in 22 seconds. How much work did the engine do?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.