건축 Architecture

Time and location when running on a track in opposite directions

작성자 Uploader : atom 작성일 Upload Date: 2018-12-12변경일 Update Date: 2018-12-13조회수 View : 164

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Calculate the location at which the two meet at time t (s) when the two men A and B are running on a track of circumference length L (m) in opposite directions. (Let the speed of A and B as Va (m / s) and Vb (m / s) respectively.)
▶ Input data

■ Time at which A amd B meet

Travel distance of A : La = Va*t

Travel distance of B: Lb = Vb*t

Sum of the travel distances of A and B is equal to the circumference length of the track, then

L = La+Lb = Va*t + Vb*t = (Va+Vb)*t

The time of meeting and each travel distance of A and B are as follows.

No Reference

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