3. A particle starts at rest on a smooth inclined plane. At the end of t seconds, the position of the particle is given by ( ei + sin w t 4w² ) x(t) where g = 9.81 m/s² is the constant of gravity. Suppose that particle has moved x = 0.5m in t= 1s. Find the value of w in the equation by taking the interval [-2,-1] by using secant method.

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