A car travels 6 km towards the north at an angle 
to the east and then travels distance of
4 km towards the north at an angle 
to the east. How far is the point from the starting point? What angle does the straight line joining its initial and final positions makes with the east?
A
and 
B
10 km and 
C
and 
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
C
Net movement along 
-direction
Net movement along y-direction
Net movement from starting point (O in the diagram)
The tan of angle which resultant makes with the east direction,
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