Imagine you are an auto designer. Your job is to design brakes for different automobiles. Explain what you need to consider about momentum when designing brakes for a heavy truck, a small car, and a van.

**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