document.write( "Question 1081696: A particle moves in a straight line so that its distance, s m, from a fixed point A on the line is given by s=2t24t+9, for t less than or equal to 3, where t is the time in seconds after passing through a point B on the line.\r
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document.write( "(a) the total distance travelled by the particle in the period of t=0 to t=3. Ans=10m
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document.write( "(b) At t=3, the acceleration of the particle is changed to (t − 8)m/s2 , the instantaneous velocity remaining unchanged. Find the next value of t at which the particle comes to instantaneous rest. Ans= 5s \n" );
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Algebra.Com's Answer #695836 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! is given by s=2t24t+9 \n" ); document.write( "----------- \n" ); document.write( "What does that mean? \n" ); document.write( " |