Mathematics, 19.03.2020 07:52 alexavasiliou
A child wanders slowly down a circular staircase from the top of a tower. With x, y,zx, y,z in feet and the origin at the base of the tower, her position tt minutes from the start is given by x = 10cos t, y = 10sin t, z = 90 - 5t.
(a) How tall is the tower?
(b) when does the child reach the bottom?
(c) What is her speed at tme t?
(d) What is her acceleration at time t?
Answers: 1
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A child wanders slowly down a circular staircase from the top of a tower. With x, y,zx, y,z in feet...
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