Quincia is traveling at a speed of 35 m/s sees a squirrel run across the road in front of her and slams on the brakes. four seconds later she comes to a complete stop. what is her acceleration?

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe

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