Concept explainers
a.
To Determine:
The maximum height of the baseball.
The maximum height of the baseball is approximately
Given:
Initial height of baseball
Initial vertical velocity of baseball
Concepts Used:
The height
Plotting a function on graph and reading its extrema.
Calculations:
Substitute the values of initial height of baseball
and
Note that it is implicit that distances are measured in
Plot the function
The function
Conclusion:
The maximum height of the baseball is approximately
b.
To Determine:
The duration for which the ball is in the air.
The ball stays in the air for about
Given:
Initial height of baseball
Initial vertical velocity of baseball
Known from previous part:
The function
Concepts Used:
The duration an object free falling under gravity stays in air is the positive time for which the height becomes zero (time elapsed before it touches ground).
Plotting a function and determining its roots.
Calculations:
Plot the function
The function
Conclusion:
The ball stays in the air for about
c.
To Calculate:
The vertical velocity of the ball when it hits ground.
The vertical velocity is
Given:
Initial height of baseball
Initial vertical velocity of baseball
Known from previous part:
The function
The ball hits the ground when
Concepts Used:
Substitution.
Calculations:
Substitute
Thus,
Conclusion:
The vertical velocity is
Chapter 2 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning