Each piston of an engine makes a sharp sound every other revolution of the engine. how fast is a race car going if its eight-cylinder engine emits a sound of frequency 750 hz, given that the engine makes 2000 revolutions per kilometer?

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Based on this activity, is kinetic energy always transformed into potential energy?