An Arrow of Mass 0

Multiple Choice

An arrow of mass 0.50 kg is shot at an angle of 30^o with the horizontal. The bow exerts a force of 100 N on the arrow for 0.40 s. The maximum height reached by the arrow assuming no air resistance is

A) 8.16 m.
B) 3.19 km.
C) 81.6 m.
D) 245 m.
E) 327 m.