$3.$ A car has an initial velocity of $23$m$/$s$.$ If its acceleration is $-5\mathrm{.}52$m$/$s$2,$ how long does it take to reach a velocity of $12$m$/$s$.$ Is it speeding up or slowing down?

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Given Initial velocity u 23 ms Acceleration a 552 ms2 negative b... View the full answer