If an archer shoots an arrow straight upward with an initial velocity of 160ft/sec from a height of 8 ft, then its height above ground in feet at time t in seconds is given by the function h(t)=-16t^2+160t+8. How long does it take for the arrow to reach the ground?
If an archer shoots an arrow straight upward with an initial velocity of 160ft/sec from a height of 8 ft, then its height above ground in feet at time t in seconds is given by the function h(t)=-16t^2+160t+8. How long does it take for the arrow to reach 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 an archer shoots an arrow straight upward with an initial velocity of 160ft/sec from a height of 8 ft, then its height above ground in feet at time t in seconds is given by the function h(t)=-16t^2+160t+8.
How long does it take for the arrow to reach the ground?
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