Which best describes a difference between electric current and static electricity

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

What are similarities and differences of reflection, refraction, diffraction and absorption?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving