3 ms·
I have no idea if this is right or not, but I just thought I'd mention how I conceptualized the problem: I thought of the distance from point A to B as Y. I t
by Sam_Odio 18y ago
I have no idea if this is right or not, but I just thought I'd mention how I conceptualized the problem: I thought of the distance from point A to B as Y. I thought of walkways as simply devices that reduced Y by n times t. n is the velocity of the walkway and t was the time spent on it.
Therefore one would want to maximize t while maintaing the highest possible average walking/running speed. E.g. it might not make sense for me to stand still on the walkway but I'd tie my shoes on it and try to reserve sprinting for regular surfaces.
- fizx 18y agoYou know that classic problem: You are going to a city 50 miles away. Would it be faster to travel there and back at 30mph, or at 40mph leaving and 20mph returning. (hint: http://en.wikipedia.org/wiki/Harmonic_mean http://en.wikipedia.org/wiki/Harmonic_mean)
- ars 18y agoIf you ever need to solve such a thing just swap miles per hour to hours per mile: So .0333 + .0333 = .0666 (i.e. it would take you .0666 hours for each mile you need to cover). Or .025 + .05 = .075 Clearly the second is better.