Aload is to be pulled up an inclined plane using a pulley system. the inclined plane is 25.0 ft long and 5.00 ft high. the pulley system has 2 fixed pulleys and 1 movable pulley. find the mechanical advantage of this compound machine.

**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