1) a wind with velocity 45 miles per hour is blowing in the direction N 20 degre

Question

1) a wind with velocity 45 miles per hour is blowing in the direction N 20 degrees W. An airplane that flies at 425 miles per hour in still air is supposed to fly straight North. how should the airplane be headed and how fast will it then be flying with respect to the ground?

2) A weight of 50 pounds is suspended by three wires with resulting tensions u = <4, 3, 10>, v = <-6, -4, 15>, and x = <a,b,c>. Determin a, b and c.

3) Let P = (3, 1, -2) and Q = (5,2,1).

(a) sketch the directed line segment PQ.

(b) Write the vector corresponding to PQ in the form <a.b.c>

Explanation / Answer

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