What part of the brain is mostly used

What is a costume plot? why is it important to a film or theater production?

What word chemical equation describes cavendish’s experiment with zinc?

Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?