A Dart Is Thrown Horizontally Toward X at 20 M/s

Multiple Choice

A dart is thrown horizontally toward X at 20 m/s as shown.It hits Y 0.1 s later.The distance XY is:

A) 2 m
B) 1 m
C) 0.5 m
D) 0.1 m
E) 0.05 m