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  • A jet airplane travelling at the speed of 500 km h-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 latter with respect to an observer on the ground?

A jet airplane travelling at the speed of 500 km h-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 latter with respect to an observer on the ground?

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\ extRelative speed of ejected product =1500 km h ^-1$ \ So, actual speed of ejected product $=1500-500=1000 km h ^-1

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Deependra Verma

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