Concept explainers
(a)
The final velocity when a person jumps from 2.8 m high roof.
(b)
To find: Final velocity as person lands on the ground,
Formula:
Third equation of motion:
Where,
Calculation:
Substitute the vales and solve for final velocity.
c)
The average force exerted on person’s torso by his legs during deceleration.
(d)
To find: (I)Deceleration of person’s legs,
(II)Force on torso during deceleration,
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Physics: Principles with Applications
Additional Science Textbook Solutions
College Physics (10th Edition)
University Physics with Modern Physics (14th Edition)
Physics for Scientists and Engineers with Modern Physics
Modern Physics
Essential University Physics: Volume 1 (3rd Edition)
Conceptual Physics (12th Edition)
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON