What is a piece of land almost surrounded by water?

Which governments provide garbage collection services to homes and businesses

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.