Define what a warm-up routine is, including its importance and benefits, as well as different components of a complete routine.

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not