1. Test question here
... 29. Amus starts walking down an up escalator and always walks at a constant speed of 15 feet per second. The escalator carries passengers at a speed of 9 feet per second. Each time Amus reaches the bottom he immediately turns around and heads back up. Each time he reaches the top he immediately turn ...
... 29. Amus starts walking down an up escalator and always walks at a constant speed of 15 feet per second. The escalator carries passengers at a speed of 9 feet per second. Each time Amus reaches the bottom he immediately turns around and heads back up. Each time he reaches the top he immediately turn ...
