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21 September, 12:38

A large explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 96 feet per second. The function h (t) = 96 t - 16 t 2 gives the height of the falling debris above the ground, in feet, t seconds after the explosion. A) Use the given function to find the height of the debris 2 second (s) after the explosion: Answer: After 2 second (s), the height is 112 Incorrect feet.

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  1. 21 September, 13:49
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    the height after 2 seconds will be 128 feet

    Step-by-step explanation:

    Data provided in the question:

    Initial velocity = 96 feet per second

    The function of height of falling debris above the ground is given as:

    h (t) = 96t - 16t²

    A) To find height after time t = 2 seconds

    substituting the value of time in the above function, we get

    h (t) = 96 * 2 - 16 * 2²

    or

    h (t) = 192 - 16 * 4

    or

    h (t) = 192 - 64

    or

    h (t) = 128 feet

    Hence,

    the height after 2 seconds will be 128 feet
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