A tuning fork has frequency 400, is sounded at the same time as a guitar string exactly 40 beats are heard in 5 seconds what is the frequency of the string in hertz

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Ais not a mixture. colloid compound suspension solution

Energy transformations that involve one transformation from one type of energy to another are called transformations.