Niagara falls is a set of very large waterfalls located on the border between new york and ontario, canada. over 200,000 cubic feet of fast-moving water falls approximately 180 feet every second. water at the top of the falls possesses kinetic energy and gravitational potential energy. only gravitational potential energy. only kinetic energy. neither gravitational potential energy nor kinetic energy.

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

Ne way in which elements differ from each other is the structure of the electron cloud in each element's atoms. in an electron cloud, an electron that is farther away from the nucleus has