Website Statistics In the diagram P and Q are successive positions of an aeroplane flying horizontally PS and QR are vertical and SR and Kare points on the horizontal ground angle

In the diagram, P and Q are successive positions of an aeroplane flying horizontally, PS and QR are vertical and S,R and Kare points on the horizontal ground. angle KSR = 41°, angle KRS = 17° and angle QKR = 21° and PS = 6000m. If the aeroplane flies from P to Q in 2 minutes, calculate correct to three significant figures the distance PQ

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