Math Problem Statement
有一动点P从A点匀速直线运动向B点运动,AB距离为d,P的速度为v单位长度每秒,C在线段AB上,且AC=kAB,当P开始运动时,BC立即变成红色,然后每f_1秒从绿变红,每f_2秒从红变绿,若P经过BC的过程不是红色,求f和v的关系式
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Motion
Proportions
Periodic Functions
Formulas
AC = k * d
BC = (1 - k) * d
t_C = AC / v = (k * d) / v
t_BC = BC / v = [(1 - k) * d] / v
v > [(1 - k) * d] / f_2
Theorems
Proportionality Theorem
Periodic Function Properties
Suitable Grade Level
Grades 10-12
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