question_answer

A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is                  [J & K CET 2004]         

A)                East-north direction          

B)                           West-north direction         

C)                South-east direction         

D)                None of these

Correct Answer: B

Solution :

                                              \[\overrightarrow{{{v}_{ct}}}=\overrightarrow{{{v}_{c}}}-\overrightarrow{{{v}_{t}}}\] \[\overrightarrow{{{v}_{ct}}}=\overrightarrow{{{v}_{c}}}+(-\overrightarrow{{{v}_{t}}})\]                                Velocity of car w.r.t. train \[({{v}_{ct}})\] is towards West ? North