An airplane wants to fly from the origin (point P(0,0) ) to point Q(100,34); ass
ID: 1948330 • Letter: A
Question
An airplane wants to fly from the origin (point P(0,0) ) to point Q(100,34); assume theunits are in kilometers (that is, from point P to point (1,0) is 1 km) and km/hr. Note:
Vectors can be used to represent directions/distances between points, as well as speeds
and direction of movement. BUT you cannot add a distance vector to a velocity vector,
that is, when adding vectors their units must match. So draw a distance plot, and a
separate speed plot. But if you want to get from point P to point Q, you still need to go
in the right direction. The distance plot tells you how far you need to go, and the speed
plot tells you how fast you
Explanation / Answer
a)105.62 km b)100i + 34j c)18.77 d)36.055 km/hr e)56.3 degrees north of west f)100 cos theta +20=100 theta =36.869 g)104.4 km/hr h)t=1.011 hr i)if the plane changes height then we have to use 3d equations to calculate distanced and use vectors for direction of motion
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