A jet plane travelling at the speed of 500kmh ejects the burnt gases at a speed of 1200 kmh relative to the jet plane find the speed of te burnt gases with respect to the earth
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plane=500kmph
gas=1200kmph
relative speed (since opposite direction)
1200=earth - plane
earth =1200+500
=1700kmph
gas=1200kmph
relative speed (since opposite direction)
1200=earth - plane
earth =1200+500
=1700kmph
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