d1 = (170 km)*sin 68 i +(170 km)*cos 68 j
d2 =(230 km)*cos (-48) i +(230 km)*sin (-48) j
resultant d = d1 + d2
=((170 km)*sin 68 +(230 km)*cos (-48)) i +((170 km)*cos 68 + 230 km)*sin (-48)) j
d =(311.52 km )i + (-107.240 km) j
magnitude d =sqrt( (311.52 km )^2+ (-107.240 km)^2)
d =329 km
option A is correct
I know that the answer is a but what are the steps of solving it?? Q7....
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