A jet airplane travelling at a speed of 500 km/h ejects its products of combustion at the speed of 1500 km/h relative to the jet plane. (i) What is the speed of the plane with respect to observer on the ground? (ii) Find relative velocity of ejected gases with respect to an observer on the ground.

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(1) 2000kmph (2) 0 kmph
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(1) 2000kmph (2) 0 kmph
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