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A truck covers 40.0 m in 8.20 s while smoothly slowing down to final speed 2.15 m/s. (a) Find the original speed. (b) Find its acceleration.
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Hi! I haven't solved this, but I can still probably help! So, what variables do you have given to you? I see the distance covered is \(d=40.0\ [m]\), the time interval is \(\Delta t=8.20\ [s]\), and what else?
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