Podcast
Questions and Answers
What is the equation for kinetic energy?
What is the equation for kinetic energy?
- KE = mu^2/2 (correct)
- KE = mu^2
- KE = mu
- KE = 1/2(mu^2)
What happens to an object's kinetic energy when it accelerates?
What happens to an object's kinetic energy when it accelerates?
- It remains constant
- It increases (correct)
- It decreases
- It becomes zero
Which of the following objects has potential energy?
Which of the following objects has potential energy?
- An object moving at constant linear speed
- An object with zero mass
- An object in a force field (correct)
- An object at rest
Which of the following statements is true about energy?
Which of the following statements is true about energy?
Why do objects tend to move towards lower energy states?
Why do objects tend to move towards lower energy states?
What is the relationship between kinetic energy and potential energy?
What is the relationship between kinetic energy and potential energy?
What is the definition of matter in chemistry?
What is the definition of matter in chemistry?
What is the science of chemistry concerned with?
What is the science of chemistry concerned with?
What is an example of an aggregate of molecules?
What is an example of an aggregate of molecules?
What branch of chemistry deals with the study of minerals, rocks, and meteorites?
What branch of chemistry deals with the study of minerals, rocks, and meteorites?
What is the term for the types and amounts of simpler substances that make up matter?
What is the term for the types and amounts of simpler substances that make up matter?
What is the term for the category of matter that includes thick or thin films, alloys, and composite solids?
What is the term for the category of matter that includes thick or thin films, alloys, and composite solids?
What is a characteristic of a chemical change?
What is a characteristic of a chemical change?
What is the primary type of change occurring when frost forms on a humid winter night?
What is the primary type of change occurring when frost forms on a humid winter night?
Which of the following is an example of energy?
Which of the following is an example of energy?
What is the difference between a physical and chemical change?
What is the difference between a physical and chemical change?
Which process is an example of a chemical change?
Which process is an example of a chemical change?
What is a characteristic of a physical change?
What is a characteristic of a physical change?
