Q.
A train is moving slowly on a straight track with a constant speed of $2\ ms^{- 1}$. A passenger in that train starts walking at a steady aped of a $2\ ms^{- 1}$ to the back of the train in the opposite direction of the motion of the train. So to an observer standing on the platform directly in front of that passenger. The velocity of the passenger appears to be
A) $4\ ms^{- 1}$
B) $2\ ms^{- 1}$
C) $2\ ms^{- 1}$ in the opposite direction of the train
D) Zero
Explanation
The correct answer is Option D: Zero.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.