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a jet airplane travelling at the speed of 500 km/h ejects the burnt gases at a speed of 1200km/h relative to the jet airplane. find the speed of the burnt gases w. r. t the observer on earth. |
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Answer» JET speed=500 Gas speed relative to jet=1200 Since jet and gas FLOWS in opposite DIRECTION the speed of jet w.r.t OBSERVER is 1200-500=700 kmph |
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