for cos(3.14t/2) find when the particle is speeding up and slowing down, and the acceleration after 3 seconds, and the distance traveled in 4 seconds
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Originally Posted by pageraets for cos(3.14t/2) find when the particle is speeding up and slowing down, and the acceleration after 3 seconds, and the distance traveled in 4 seconds May I be the first to say "What????" I presume that your position function for the particle is So the speed function is the first time derivative and the acceleration is the second time derivative. Thus and Can you do the rest? -Dan
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