A figure skater is spinning on frictionless ice with her arms fully extended horizontally. She then drops her arms to her sides. Which of the following correctly describes her rotational kinetic energy and angular momentum as her arms fall? Rotational Kinetic Energy Angular Momentum a. Remains constant Remains constant b. Decreases Increases c. Increases Decreases d. Increases Remains constant
Added by Tonya W.
Close
Step 1
a. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 75 other Physics 103 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
An ice skater is spinning about a vertical axis with arms fully extended. If the arms are pulled in closer to the body, in which of the following ways are the angular momentum and kinetic energy of the skater affected? a.) angular momentum increases and kinetic energy increasing b.) Angular momentum remains constant and kinetic energy increases c.) angular momentum increases and kinetic energy remains constant. d.) angular momentum remains constant and kinetic energy remains constant.
Penny R.
'An ice skater is spinning about & vertical axis with arms fully extended: If the arms are pulled in closer to body, in which of the following ways are the angular momentum and kinetic energy of the skater affected? Angular Momentum Kinetic Energy Increases Increases Increases Remains Constant Remains Constant Increases Remains Constant Remains Constant Decreases Remains Constant'
Prabhu R.
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD