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Brick wall and comes to a dead stop

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Reference no: EM131947015

A person who has a mass of 100kg is skateboarding to the right at a speed of 9.0m/s when he smacks into a brick wall and comes to a dead stop in 0.2s.

(Assume the right is the positive direction)

What is his acceleration in m/s2

Reference no: EM131947015

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