1.

A bird is flying in a straight line with velocity vector 10î + 6ĵ + k̂, measured in km/hr. If starting point is (1, 2, 3), how much time does it to take to reach a point in space that is 13 meter high from the ground?

A. 600 seconds
B. 360 seconds
C. 36 seconds
D. 60 seconds
Answer» D. 60 seconds


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