1. The problem statement, all variables and given/known data a boy is sliding down a curved slide, another boy with same mass is sliding down a straight slide. if both slides have the same height, which of them will reach the bottom first? 2. Relevant equations 3. The attempt at a solution i m thinking if it is related to 1/2 mv^2 = mgh and final v will be the same in both cases but how can i calculate the time required?