A stadium of soccer supporters do the “stadium wave” to keep their spirits up during a dull 0-0 draw. The stadium has a circumference of 450.0 meters, and it takes 12.0 seconds for the wave to travel all the way around the stadium. What is the stadium-wave’s average velocity? The answer should have 3 significant figures.

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

The radius of an atom is closest in size to a