Kim drives her car clockwise around a circular track of radius 60 m. She completes 20 laps in 4 minutes. What is the frequency of Kim’s motion

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?