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A Jet airplane travelling at the speed of 500kmh^(-1) ejects its products of combustion at the speed of 1500kmh^(-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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A jet airplane travelling at the speed of "500kmh^(-1)" jets its products of combustion at the speed of 1500kmh^(-1)relative to thejet plane what is the speed of the latter with respect to an observer on the ground

A jet airplance travelling at the speed of 500 km ^(-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 later with respect to observer on the ground ?

Knowledge Check

  • An eagle flies at constant velocity horizontally across the sky, carrying a mouse and releases the mouse while in flight . From the eagle's perspective , the mouse falls vertically with speed v_1 From an observer on the ground's perspective , the mouse falls at an angle with speed v_2 what is the speed of the eagle with respect to the observer on the ground ?

    A
    `v_1+v_2`
    B
    `v_1-v_2`
    C
    `sqrt(v_1^2-v_2^2)`
    D
    `sqrt(v_2^2-v_1^2)`

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