Dimensional Analysis Answers

Which of the following gear ratios will have the highest overall speed?

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When designing the jumps of a BMX racetrack, the jumps involve a launch ramp and a landing ramp. What are some facts about the placement of these features? Check all that apply. There must be at least ten launch ramps in every course. The slope of a launch ramp cannot be too high or too low. The length of a landing ramp must be long enough for riders to recover from the jump, but short enough so they do not lose speed for the next jump.There can only be one landing ramp in every course. The slope of a ramp is found by dividing the height of the ramp by the length of the ramp.