Which of the following are examples of dissolution? a. mel mixes crushed ice into a glass of lemonade. b. mel mixes table salt into a cup of chicken soup. c. mel melts sugar to make a dessert. d. when mel mixes pure sodium with water, the sodium ignites. e. to make hot chocolate, mel mixes cocoa with milk.

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.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank