The diagram shows a roller coaster track assume that the system is closed at point either roller coaster has just exited the vertical loop which chart best shows the relative amount of potential and kinetic energy of the roller coaster car at point E

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Gunpowder residue is most likely to show up where on a shooters hands