A ball is thrown upward at an initial velocity of 8.4 m/s, from a height of 1.5m above the ground. The height of the ball, in meters, above the ground, after t seconds, is modelled by the equation h = -4.9t² +8.4t +1.5. After how many seconds does the ball land on the ground?
A ball is thrown upward at an initial velocity of 8.4 m/s, from a height of 1.5m above the ground. The height of the ball, in meters, above the ground, after t seconds, is modelled by the equation h = -4.9t² +8.4t +1.5. After how many seconds does the ball land on the ground?
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter10: Quadratic Equations
Section10.4: Solve Applications Modeled By Quadratic Equations
Problem 10.84TI: A man throws a ball into the air with a velocity of 96 ft/sec. Use the formula h=16t2+v0t to...
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A ball is thrown upward at an initial velocity of 8.4 m/s, from a height of 1.5m above the ground. The height of the ball, in meters, above the ground, after t seconds, is modelled by the equation h = -4.9t² +8.4t +1.5. After how many seconds does the ball land on the ground? (Round your answer to the nearest tenth of a second).
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