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On Planet X, the height, h metres, of an object fired upward from the ground at 48m/s is described by the equation h = - 16t²+48t, where t seconds is the time since the object was fired upward. Show all your work for each question (a) Determine the height of the object after 2 seconds h= (b) Determine the time at which the object hits the ground (let h=0)

On Planet X, the height, h metres, of an object fired upward from the ground at 48m/s is described by the equation h = - 16t²+48t, where t seconds is the time since the object was fired upward. Show all your work for each question (a) Determine the height of the object after 2 seconds h= (b) Determine the time at which the object hits the ground (let h=0)

Elementary Algebra
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 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...
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On Planet X, the height, h metres, of an object fired upward from the ground at 48m/s is described by the equation h = - 16t²+48t, where t seconds is the time since the object was fired upward. Show all your work for each question (a) Determine the height of the object after 2 seconds h= (b) Determine the time at which the object hits the ground (let h=0)
Transcribed Image Text:On Planet X, the height, h metres, of an object fired upward from the ground at 48m/s is described by the equation h = - 16t²+48t, where t seconds is the time since the object was fired upward. Show all your work for each question (a) Determine the height of the object after 2 seconds h= (b) Determine the time at which the object hits the ground (let h=0)
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