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AnEnglishMathematicProblemAbaseballdiamondisasquarewithsidesof90feet.Aplayer,afterhittingahomerun,lopedaroundthediamondat10feetpersecond.Letsrepresenttheplayer'sdistancefromhomeplateaftertseconds.Expresssasafu

题目详情
An English Mathematic Problem
A baseball diamond is a square with sides of 90 feet.A player,after hitting a home run,loped around the diamond at 10 feet per second.Let s represent the player's distance from home plate after t seconds.
Express s as a function of t by means of a three-part formula.
I am searching for answers not translation into Chinese,thank you all the same!
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答案和解析
有一边长为90码的棒球场,一运动员在打出一记本垒打后以每秒10码的速度绕球场跑一圈.用s表示该运动员在t秒后距离本垒的距离.
以t为变量的三段方程表达s的函数.
Then you put this question in the right section. Thank you.