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All insect is moving on a groove whose d...

All insect is moving on a groove whose displacement is given `x = 6t^(2) - 8+40.cos pi t`, , where x and t are expressed in metres and seconds. Find the position, velocity and acceleration of insect at time t = 6 s.

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The correct Answer is:
` [248 m, 72 m//s, - 383 m//s^(2)]`
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