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    Jewelstone's Avatar
    Jewelstone Posts: 1, Reputation: 1
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    #1

    Dec 15, 2014, 03:21 PM
    Mass 230 grams is thrown down from bridge 280m above the water with initial velocity
    a) Find its velocity of 8 m/s
    b) Find length o time the ball in the air?
    c) What is the Ke when it hits the water
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Dec 15, 2014, 03:33 PM
    Before you expect us to answer these questions, please read about doing homework for you. You did not post initial velocity either. Also note similar questions (below) have been posted, this case a baseball.
    joypulv's Avatar
    joypulv Posts: 21,591, Reputation: 2941
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    #3

    Dec 15, 2014, 03:35 PM
    He knows... he started a new ID
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