document.write( "Question 1044182: Problem: The height (H) of the ball thrown into the air with an initial velocity of 9.8 m/s from a height of 2 m above the ground is given by the equation H(t)=-4.9t^2+9.8t+2, where t is the time in seconds that the ball has been in the air\r
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document.write( "Question: Find the value of t to determine the time it takes the ball to reach 4 m \n" );
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Algebra.Com's Answer #659449 by ikleyn(52780)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Problem: The height (H) of the ball thrown into the air with an initial velocity of 9.8 m/s from a height of 2 m above \n" ); document.write( "the ground is given by the equation H(t)=-4.9t^2+9.8t+2, where t is the time in seconds that the ball has been in the air\r \n" ); document.write( "\n" ); document.write( "Question: Find the value of t to determine the time it takes the ball to reach 4 m \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "For it, you need to solve this equation\r\n" ); document.write( "\r\n" ); document.write( "-4.9t^2+9.8t+2 = 4.\r\n" ); document.write( "\r\n" ); document.write( "Apply the quadratic formula. You will get two solution: one for the ball moving up, and the second for the ball moving down.\r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |