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?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.4: Solving Quadratic Equations By Factoring
Problem 59HP
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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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