
The following passages and associated questions are based on the material of Part II.
Big Air
A new generation of pogo sticks lets a rider bounce more than 2 meters off the ground by using elastic bands to store energy. When the pogo’s plunger hits the ground, the elastic bands stretch as the pogo and rider come to rest. At the low point of the bounce, the stretched bands start to contract, pushing out the plunger and launching the rider into the air. For a total mass of 80 kg (rider plus pogo), a stretch of 0.40 m launches a rider 2.0 m above the starting point.
Assuming that the elastic bands stretch and store energy like a spring, how high would the 80 kg pogo and rider go for a stretch of 0.20 m?
A. 2.0 m
B. 1.5 m
C. 1.0 m
D. 0.50 m

Want to see the full answer?
Check out a sample textbook solution
Chapter P Solutions
College Physics: A Strategic Approach (3rd Edition)
Additional Science Textbook Solutions
Chemistry: The Central Science (14th Edition)
Biology: Life on Earth (11th Edition)
Microbiology: An Introduction
Microbiology: An Introduction
Biology: Life on Earth with Physiology (11th Edition)
Organic Chemistry (8th Edition)
- What fuel economy should be expected from a gasoline powered car that encounters a total of 443N of resistive forces while driving down the road? (Those forces are from air drag, rolling resistance and bearing losses.) Assume a 30% thermodynamic efficiency.arrow_forwardNo chatgpt pls will upvotearrow_forward12. What is the angle between two unit vectors if their dot product is 0.5?arrow_forward
- If the car in the previous problem increases its power output by 10% (by pressing the gas pedal farther down), at what rate will the car accelerate? Hint: Consider the net force. In the previous problem the power was 31.8kWarrow_forwardWhat power is required (at the wheels) for a 1400 kg automobile to climb a 4% grade at a constant speed 30 m/s while it is opposed by drag and rolling resistance forces totaling 500 N?arrow_forwardNo chatgpt pls will upvotearrow_forward
- As a box is lifted against gravity and placed on a shelf, how does the work done by the lifter compare with the work done by gravity? What is the net work done on the box? What does this imply about its change in kinetic energy? Use definitions and mathematics from this chapter to answer these questions.arrow_forwardAs I carry a box up a flight of stairs, am I doing positive work or negative work on the box? Provide a mathematical explanation.arrow_forwardAs a ball falls under the influence of gravity, does gravity do positive work or negative work? Provide a mathematical explanation.arrow_forward
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning





