document.write( "Question 1188824: A ball is thrown straight upward. The position function used to describe the ball’s height, s(t), in feet after t seconds is given as: s(t) = 1/2at2 + v0t + s0. After 2 seconds the height of the ball is 198 ft, after 5 seconds the height is 246 ft, and after 8 seconds the height is 6 ft. (a) find the values of a, v0 and s0. (b) Solve the system of linear equations involving a, v0 and s0 using matrices. \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #820009 by ikleyn(52915) You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "This problem is to be solved in four steps.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Step 1. Substitute t= 2 into the formula and make first equation for \"a\", v0 and s0.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Step 2. Substitute t= 5 into the formula and make second equation for \"a\", v0 and s0.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Step 3. Substitute t= 8 into the formula and make third equation for \"a\", v0 and s0.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Step 4. Use your calculator to solve the system of 3 equations in 3 unknowns.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |