Match the description with the type of front

The energy produced as a result of this flow of electrons from atom to atom is called

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s. assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.