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29 February, 10:20

H (t) = - 16t 2 + 128t. What is the height of the javelin after 5 seconds?

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  1. 29 February, 10:39
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    H (t) = - 16t^2 + 128t

    h (5) = - 16 (5) ^2 + 128 (5)

    h (5) = - 16 (25) + 640

    h (5) = - 400 + 640

    h (5) = 240
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