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8 October, 07:18

A missile is fired from a jet flying horizontally at Mach 1 (1100 ft/s). The missile has a horizontal acceleration of 1000 ft/s2. Calculate its horizontal velocity at 10.0 seconds after it is fired. (Assume constant acceleration of the missile throughout its flight.)

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  1. 8 October, 07:58
    0
    Answer: 11,100 ft/s^2

    1) Constant acceleration=> uniformly accelerated motion.

    2) Formula for uniformly accelerated motion:

    Vf = Vo + at

    3) dа ta:

    Vo = 1,100 ft/s

    a = 1,000 ft/s^2

    t = 10.0 s

    4) Solution:

    Vf = 1,100 ft/s + 1,000 ft/s^2 * 10.0 s = 1,100 ft/s + 10,000 ft/s

    Vf = 11,100 ft/s
  2. 8 October, 10:03
    0
    Vf = 1,100 ft/s + 1,000 ft/s^2 * 10.0 s = 1,100 ft/s + 10,000 ft/s

    Vf = 11,100 ft/s
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