A race car moving west speeds up from 17 m/s to 47 m/s in 2 seconds. What is the car's acceleration?

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

First to answer will be the brainliest i need the answer asap