Concept explainers
(a)
The magnitude and direction of the acceleration of pumpkin and the watermelon.
(a)
Answer to Problem 167P
The magnitude of acceleration of pumpkin and the watermelon is
Explanation of Solution
The figure 1 shows net force exerted on the watermelon and pumpkin attached by the cord
Since the watermelon and pumpkin are attached by the cord, they must have the same magnitude of acceleration.
Write the equation of the net force exerted on the pumpkin by using Newton’s second law.
Here,
Write the equation of the net force exerted on the watermelon by using Newton’s second law.
Here,
Solve and add the equation (I) and (II) for acceleration.
Conclusion:
Substitute
The acceleration is positive, so the direction of watermelon slides up the ramp and pumpkin slides down.
Therefore, the magnitude of acceleration of pumpkin and the watermelon is
(b)
The distance of the pumpkin after release from the inclined path.
(b)
Answer to Problem 167P
The distance of the pumpkin after release from the inclined path is
Explanation of Solution
Write the equation of motion for the pumpkin travel down the ramp.
Here,
Conclusion:
Substitute
Therefore, the distance of the pumpkin after release from the inclined path is
(c)
The speed of the watermelon.
(c)
Answer to Problem 167P
The speed of the watermelon is
Explanation of Solution
Write the equation of motion for the watermelon gains its speed down the ramp.
Here,
Conclusion:
Substitute
Therefore, the speed of the watermelon is
Want to see more full solutions like this?
Chapter 4 Solutions
Physics
- 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