A helicopter at A(6, 9, 3) moves with constant velocity in a straight line. 10 minutes
Chapter 13, Problem 9(choose chapter or problem)
A helicopter at A(6, 9, 3) moves with constant velocity in a straight line. 10 minutes later it is at B(3, 10, 2:5). Distances are in kilometres. a Find !AB. b Find the helicopters speed. c Determine the equation of the straight line path of the helicopter. d The helicopter is travelling directly towards its helipad, which has z-coordinate 0. Find the total time taken for the helicopter to land.
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