Jonathan has six strings that are the same thickness and are all the same material. he cuts the strings to different lengths and pulls so that they all have the same tightness. which string will have the highest pitch when he plucks it with his finger?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects