What is the angular displacement of a satellite in a circular orbit after it completes 1/4 of its orbit?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?

Did anyone do 1.06 lab: cloud formation i need with it i go to k12 lavcame i need to get it done quick

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?