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Question Number 55205 by Hassen_Timol last updated on 19/Feb/19

Please, can you help me with the following?      A boat B is found at 40km at at the east of  a boat A. A is moving at 30° east at 20km/h,  B is moving qt 10km/h at 30°west.    After how many hours will the two boats  be the closest to each other?  What will therefore be the position of the  boat B and the boat A?      Thank you

$$\mathrm{Please},\:\mathrm{can}\:\mathrm{you}\:\mathrm{help}\:\mathrm{me}\:\mathrm{with}\:\mathrm{the}\:\mathrm{following}? \\ $$$$ \\ $$$$ \\ $$$$\mathrm{A}\:\mathrm{boat}\:\boldsymbol{\mathrm{B}}\:\mathrm{is}\:\mathrm{found}\:\mathrm{at}\:\mathrm{40km}\:\mathrm{at}\:\mathrm{at}\:\mathrm{the}\:\mathrm{east}\:\mathrm{of} \\ $$$$\mathrm{a}\:\mathrm{boat}\:\boldsymbol{\mathrm{A}}.\:\boldsymbol{\mathrm{A}}\:\mathrm{is}\:\mathrm{moving}\:\mathrm{at}\:\mathrm{30}°\:\mathrm{east}\:\mathrm{at}\:\mathrm{20km}/\mathrm{h}, \\ $$$$\boldsymbol{\mathrm{B}}\:\mathrm{is}\:\mathrm{moving}\:\mathrm{qt}\:\mathrm{10km}/\mathrm{h}\:\mathrm{at}\:\mathrm{30}°\mathrm{west}. \\ $$$$ \\ $$$$\mathrm{After}\:\mathrm{how}\:\mathrm{many}\:\mathrm{hours}\:\mathrm{will}\:\mathrm{the}\:\mathrm{two}\:\mathrm{boats} \\ $$$$\mathrm{be}\:\mathrm{the}\:\mathrm{closest}\:\mathrm{to}\:\mathrm{each}\:\mathrm{other}? \\ $$$$\mathrm{What}\:\mathrm{will}\:\mathrm{therefore}\:\mathrm{be}\:\mathrm{the}\:\mathrm{position}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{boat}\:\boldsymbol{\mathrm{B}}\:\mathrm{and}\:\mathrm{the}\:\mathrm{boat}\:\boldsymbol{\mathrm{A}}? \\ $$$$ \\ $$$$ \\ $$$$\mathrm{Thank}\:\mathrm{you} \\ $$$$ \\ $$

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