A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be -

A boy sitting in a train moving with a uniform velocity drops a coin o

1.	A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be -
A.	a parabola
B.	a horizontal straight line
C.	a vertical straight line
D.	a circle
Answer» B. a horizontal straight line