Waves in a lake are 6 m apart and pass a person on a raft every 2 seconds. What is the speed of the waves?

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a. is a south pole because the field hnes spread out from this end b. a north pole because the field lines spread out from this end c. a nouth pole because the field lines enter the magnet at this end d. is a north pole because the field lines enter the magnet at this end

What do scientists use a scientific law for?