Question: A hand exerts a constant horizontal force on a block that is free to slide on a frictionless surface (Fig. 6-30). The block starts from

A hand exerts a constant horizontal force on a block that is free to slide on a frictionless surface (Fig. 6-30). The block starts from rest at point A, and by the time it has traveled a distance d to point B it is traveling with sped vB. When the block has traveled another distance d to point C, will its speed be greater than, less than, or equal to 2 vB? Explain your reasoning.

d. B.

d. B.

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