document.write( "Question 1132884: The four- wheeled cart is held at the bottom of a ramp. It is given a gentle push so that it rolls part of the way up the ramp, slows, stops, and then rolls back down the ramp. A motion detector is placed at the top of the ramp to detect the motion of the cart. The equation representing this situation is y=0.2t^2-0.6t+0.95\r
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document.write( "a) how far is the cart from the detector at the start?\r
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document.write( "b) How far is the cart from the detector at 1 second? \n" );
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Algebra.Com's Answer #750035 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " I will assume that \"y\" represents the distance from the detector.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " (Actually, it should be clearly stated in the post !\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " I should not make my hypotheses, when I solve the problem posted by you ! ! )\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solution\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "(a) To answer question (a), substitute t= 0 into the right side function and calculate.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " What you will get, is clear by an unarmed eye, even without calculations.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " It is 0.95 of a meter. ANSWER\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(b) To answer this question, substitute t= 1 into the right side function and calculate.\r\n" ); document.write( "\r\n" ); document.write( " Do it on your own - it is YOUR JOB, and the tutors on the forum are not obliged to do your work for you or instead of you.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Honestly, I do not understand, for what reason visitors come to the forum with questions, where the answer is OBVIOUS.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |