I am on a planet whose acceleration due to gravity is g= 6 ft/s?. I'm standing on a cliff edge with altitude of a = = 80 ft above the ground and I throw an object straight up at a velocity of v = 20 ft/s. The equation y = -; 1. 5gt2 + vt +a gives the height y of the object t seconds after I throw it. The graph of height versus time will be a parabola. -Find the exact vertex of the parabola. (Give both coordinates as rational numbers.) What does the vertex repre- sent in the context of this problem? -Find the exact time in seconds when the object will land on the ground, then approximate it to four decimal places.
I am on a planet whose acceleration due to gravity is g= 6 ft/s?. I'm standing on a cliff edge with altitude of a = = 80 ft above the ground and I throw an object straight up at a velocity of v = 20 ft/s. The equation y = -; 1. 5gt2 + vt +a gives the height y of the object t seconds after I throw it. The graph of height versus time will be a parabola. -Find the exact vertex of the parabola. (Give both coordinates as rational numbers.) What does the vertex repre- sent in the context of this problem? -Find the exact time in seconds when the object will land on the ground, then approximate it to four decimal places.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.CT: Chapter Test
Problem 3CT: A cannonball fired out to sea from a shore battery follows a parabolic trajectory given by the graph...
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