Leave AB open. Find the voltage across AB, VAB for the following 3 cases: E1 is turned on while both E2 and E3 are turned off; E2 is turned on while both E1 and E3 are turned off; E3 is turned on while both E1 and E2 are turned off. Add the above three voltages. What have you discovered

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z