the diagram of loudness of conversation is about 50db. do you think all their conversation have the same loudness. Explain your answer

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

**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