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14 April, 20:08

An airplane of mass 39,043.01 flies horizontally at an altitude of 9.2 km with a constant speed of 335 m/s relative to Earth. What is the magnitude of the airplane's angular momentum relative to a ground observer directly below the plane? Give your answer in scientific notation.

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  1. 14 April, 20:33
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    1.2 x 10¹¹ kgm²/s

    Explanation:

    m = mass of the airplane = 39043.01

    r = altitude of the airplane = 9.2 km = 9.2 x 1000 m = 9200 m

    v = speed of airplane = 335 m/s

    L = Angular momentum of airplane

    Angular momentum of airplane is given as

    L = m v r

    Inserting the values

    L = (39043.01) (335) (9200)

    L = (39043.01) (3082000)

    L = 1.2 x 10¹¹ kgm²/s
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