What units would you use to measure the velocity of an object moving in a classroom?

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

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

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.