document.write( "Question 1177208: A rock was thrown upwards off of a seaside cliff and fell down to the beach below.
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document.write( "Its motion was described by h = −16t² + 16t +125 where h is the vertical distance above the beach in meters and t is time after throwing in seconds. \r
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document.write( "What was the height of the cliff? How can you tell? \r
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document.write( "How can you tell that the motion of the rock had a maximum height? \r
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document.write( "Show how to convert the equation in standard form to the vertex form using the method of completing the square. \r
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document.write( " What was the vertex of the throw? \r
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document.write( "What was the maximum height of the rock? \r
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document.write( "How much time had passed since the throw when the maximum height was reached? \r
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document.write( "When did the rock hit the beach below? \r
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document.write( "At what time(s) did the rock reach a height of 127m? \r
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document.write( " At what height was the rock after 2 seconds?
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Algebra.Com's Answer #805476 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "In this site, there is a bunch of lessons on a projectile thrown/shot/launched vertically up\r \n" ); document.write( "\n" ); document.write( " - Introductory lesson on a projectile thrown-shot-launched vertically up \r \n" ); document.write( "\n" ); document.write( " - Problem on a projectile moving vertically up and down\r \n" ); document.write( "\n" ); document.write( " - Problem on an arrow shot vertically upward\r \n" ); document.write( "\n" ); document.write( " - Problem on a ball thrown vertically up from the top of a tower \r \n" ); document.write( "\n" ); document.write( " - Problem on a toy rocket launched vertically up from a tall platform\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Consider these lessons as your textbook, handbook, tutorials and (free of charge) home teacher. \n" ); document.write( "Read them attentively and learn how to solve this type of problems once and for all.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic \"Projectiles launched/thrown and moving vertically up and dawn\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I \n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |