Astudent driving nails into a piece of wood lifts a 2.25 kg hammer it on the nail. if the nail is driven 0.0100 m into the wood, calculate the average force on the hammer 0.300 m above the top of a nail and then simply drops

**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