Aboat accelerates at a rate of 6.0m/s down a river. how much time will it take the boat to speed up to 7.0m/s?

What are two different ways you could find the value of a? explain these methods.

If the area of a square has increased by a factor of 16, by how much has each side increased?

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?