A jet airplane travelling at the speed o...

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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1000 km/h

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NCERT GUJARATI-MOTION IN A STRAIGHT LINE-EXERCISES

A woman starts from her home at 9.00 am, walks with a speed of 5 km h^...
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A drunkard walking in a narrow lane takes 5 steps forward and 3 steps ...
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A jet airplane travelling at the speed of 500 km h^(-1) ejects its pro...
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Two trains A and B of length 400 m each are moving on two parallel tra...
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Read each statement below carefully and state with reasons and example...
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A ball is dropped from a height of 90 m on a floor. At each collision ...
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Explain clearly, with examples, the distinction between : (a) magnitud...
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In Exercises 3.13 and 3.14, we have carefully distinguished between av...
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Look at the graphs (a) to (d) (Fig.) carefully and state, with reasons...
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Suggest a suitable physical situation for each of the following graphs...
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Figure. gives the x-t plot of a particle executing one-dimensional sim...
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Figure. gives the x-t plot of a particle in one-dimensional motion. Th...
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Figure. gives a speed-time graph of a particle in motion along a const...
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