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14 October, 09:59

A little girl is going on the merry-go-round for the first time, and wants her 51 kg mother to stand next to her on the ride, 2.7 m from the merry-go-round's center. Part A If her mother's speed is 5.0 m/s when the ride is in motion, what is her angular momentum around the center of the merry-go-round

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  1. 14 October, 10:22
    0
    686.70 kg m² / s

    Explanation:

    L = m * r²

    = 51 * 2.7²

    = 371.79 kg m²

    w = v/r

    = 5.0 m/s / 2.7 m

    = 1.85 rev/sec

    The momentum = I * w

    = 371.79 * 1.85

    = 686.70 kg m² / s
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