OK, since nobody wants to give me the answers I'll try to give what I think are the answers and, hopefully someone will be kind enough to give me the correct answers.
Since 2a is correct, here's what I think about 2b:
according to my textbook I use this formula..energy=power * time...
urgently needed help on intro physics...
This is my first time posting on here so I hope someone will answer my questions.
Here they are:
1. A scientist testing a material discovers that when a voltage of 10V is placed across a material a current of 10A flows. When a voltage of 20V is...