If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s=80t−16t^2. What is the velocity after 2 seconds and after 4 seconds? What is the maximum height reached by the ball? With what velocity does it hit the ground?
If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s=80t−16t^2. What is the velocity after 2 seconds and after 4 seconds? What is the maximum height reached by the ball? With what velocity does it hit the ground?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.CT: Chapter Test
Problem 4CT
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- If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s=80t−16t^2.
- What is the velocity after 2 seconds and after 4 seconds?
- What is the maximum height reached by the ball?
- With what velocity does it hit the ground?
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