Answer:
a = 132 m/s^2
Explanation:
f(t) = t^4 − 2t^3 − 6t^2 + 9t
v = f'(t) = 4t^3 - 6t^2 - 12t + 9
a = f''(t) = 12t^2 - 12t -12
Substitute t = 4 seconds into the equation for a:
a = 12(16) -12(4) -12 = 132 m/s^2
Spinal cord injuries occur when there's damage to the spinal cord. The result is loss of function, usually in mobility or feeling. Severe injuries that occur in the neck usually result in Quadriplegia, which is paralysis from about the shoulders down
Answer:
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