A jet airplance travelling at the speed ...

A jet airplance travelling at the speed of ` 500 km ^(-1)` ejects its products of combustion at the speed of ` 1500 km h^(-1)` relative to the jet plane. What is the speed of the burnt gases with respect to observer on the ground ?

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1000 km/h

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NCERT TAMIL-MOTION IN A STRAIGHT LINE-EXERCISES

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