Question:
175 A jet air plane travelling with a speed of 500 km h
Last updated: 6/27/2023
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175 A jet air plane travelling with a speed of 500 km h ejects its products of combustion with a speed of 1500 km h relative to the jet plane The speed of the latter with respect to an observer on the ground is 1 1500 km h 3 1000 km h 2 2000 km h 4 500 km h