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1.When a rock falls from the rest near the surface of the earth at the distance it covers during the first few seconds is given
1.When a rock falls from the rest near the surface of the earth at the distance it covers during the first few seconds is given by the equation s = -4.9t2. In this equation s is the distance in meters and t the elapsed time in seconds
a.Find ds/dt
b.Find d2s/dt2
c.Evaluate ds / dt when t = 5 seconds
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