A book with a mass of 3.3 kg sits on a bookshelf. If it has a gravitational
potential energy of 57 J, how high is the shelf? The acceleration of gravity is
9.8 m/s2

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.

If the area of a square has increased by a factor of 16, by how much has each side increased?

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence