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09-12-2022
SAT

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A hand exerts a constant horizontal force on a block that is free to slide on a frictionless surface. The block starts from rest at point A, and by the time it has traveled to a distance d to point B it is traveling with the speed of ub. When the block has traveled another distance d to point C, will its speed be greater than, less than, or equal to 2ub? Explain your reasoning

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