if a skateboarder lands on the ground after 3 seconds with a final velocity of -4.5 m/s, what is the skateboarder's horizontal displacement? * the answer is -13.5m (how please show steps pleaseeeee)

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Bending Moment

In general, we can define the bending moment as the reaction induced when a certain amount of load or force is applied to an element which makes it bend.