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 circle
C.	a horizontal straight line
D.	a vertical straight line
Answer» B. a circle