document.write( "Question 1181432: A ball is thrown horizontally out of the balcony with an initial horinzontal speed of 1.8m/s. If the balcony is 12m from the ground.
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Algebra.Com's Answer #811340 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "In this problem, the ball participates in two movements, at the same time.\r\n" );
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document.write( "Vertically, the ball falls with uniform acceleration g (the free fall acceleration, or gravity acceleration).\r\n" );
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document.write( "Horizontally, it moves uniformly with the constant horizontal speed.\r\n" );
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document.write( "In vertical direction, we have free fall, so\r\n" );
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document.write( "    H = \"%28gt%5E2%29%2F2\",\r\n" );
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document.write( "where  H is the height in meters,  g = 9.81 m/s^ is the gravity acceleration, t is the time of falling.\r\n" );
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document.write( "From this formula,\r\n" );
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document.write( "    t = \"sqrt%28%282H%29%2Fg%29\" = \"sqrt%28%282%2A12%29%2F9.81%29\" = 1.56 seconds  (rounded).\r\n" );
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document.write( "It is the answer to the first question.\r\n" );
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document.write( "In horizontal direction, the travel is UNIFORM. THEREFORE, the horizontal traveled distance is\r\n" );
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document.write( "    \"V%5Bhorizontal%5D%2At\" = 12 * 1.56 = 18.72 meters.\r\n" );
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document.write( "It is the answer to the second question.\r\n" );
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\n" ); document.write( "\n" ); document.write( "My solution is a standard mantra to pronounce it every time, when you solve similar problem.\r
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