Two ice skaters, one with a mass of 45 kg and the other with a mass of 60 kg, push off against one another starting from a stationary position. after they have pushed off, the relative speed at which they separate is 0.600m/s. what is the speed of the 60kg skater?

The plum pudding model of the atom state that ?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

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.