If the object distance in the following picture were 8.0 m and the image distance were 2.0 m, what is the focal length? Answeres
1.6 or 0.63

f =

m

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.