Drag the tiles to the boxes to form correct pairs. The table shows the distances between a star and three celestial objects. Use
the conversion factors to rewrite the distances in different, but equivalent units. Celestial Objects Distance from the Star object A 0.000001877 pc object B 30.06 AU object 778.3 million km Conversion factors: 1 AU = 1.5 x 108 km 1 light-year = 9.5 1012 km 1 parsec = 31 trillion km, or about 3.262 light-years distance to object A distance to object B distance to object C 0000145RC
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Given :
Vector A has a magnitude of 63 units and points west, while vector B has the same magnitude and points due south.
To Find :
The magnitude and direction of
a) A + B .
b) A - B.
Solution :
Let , direction in north is given by +j and east is given by +i .
So , and
Now , A + B is given by :
Direction of A+B is 45° north of west .
Also , for A-B :
Direction of A-B is 45° south of west .
( When two vector of same magnitude which are perpendicular to each other are added or subtracted the resultant is always 45° from each of them)
Hence , this is the required solution .