A cannon launches a 4.0kg bowling ball with 50J of kinetic energy what is the bowling ball’s speed

What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.