#72 The flight path of the helicopter as it takes off from

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Question

#72 The flight path of the helicopter as it takes off from A is defined by the parametric equations x = (2t^2) m and y = (0.04t^3) m, where t is the time in seconds. When t = 10 s, answer the following questions:

a. Determine the distance (m, approx.) the helicopter is from point A. Ans: (i)104 (ii)204 (iii)304 (iv)450 (v)500

b. What would be the magnitudes of its velocity (m/s, approx.) at that time? Ans: (i)52 (ii)42 (iii)72 (iv)62 (v)32

c. What would be the magnitudes of its acceleration (m/s^2 approx.) at that time? Ans: (i)25 (ii)20 (iii)15 (iv)10 (b)5

Answer