What is the frequency of a wave traveling at 10 m/s with a wavelength of 2 m?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?

What energy transformations occur each time the skateboarder rolls up the ramp?