g A hill that has a 45.4% grade is one that rises 45.4 m vertical for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal

1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?