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A child wanders slowly down a circular staircase from the top of a tower With...

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Calculus

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A child wanders slowly down a circular staircase from the top of a tower With z y z in feet and the origin at the base of the tower her position t minutes from the start is given by x 30 cost y 30 sint 90 5t a How tall is the tower height ft b When does the child reach the bottom time minutes c What is her speed at time t speed ft min d What is her acceleration at time t acceleration ft min2

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