Aconcave (convergent) mirror has a focus of 3.4 cm. a tree that is 0.5cm tall is situated 4.5 cm away from the mirror. calculate the placement of the image using a formula.

let me know what formula to use at the very least, i can obviously solve it on my own i just have no idea what formula i should be using. if you choose to solve it too that would be

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.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.