Which of the following best describes the velocity of an object?
- 30 m/s2
- 30m/s

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions