The adjacent graph represents a vertical map with the paths of two balls rolling

Question

The adjacent graph represents a vertical map with the paths of two balls rolling from rest down two frictionless slopes with the indicated profile. Knowing that ball A is twice as heavy as B, which ball will move faster at the bottom of its hill, and what will be its speed? Ball A will move faster, v_A = 19.8 m/s. Ball A will move faster, v_A = 390 m/s. Ball B will move faster, v_B = 19.8 m/s. Ball B will move faster, but the information is insufficient to find the speed. Both will move with the same speed. v_A = v_B = 19.8 m/s

Explanation / Answer

In the graph plotted here is having x and y axis made up of distance which is in meter scale. This information is in sufficient to determine the speed of the ball. We can say that the ball B will move faster than ball A , since the mass of ball A is twice as greater than ball B. When mass of the ball increases it is difficlut to move.So option d is correct

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