Tolong dibantu ,,Pake caranya gan..

v=1400 m/s
t=2,5 s
s?

penyelesaian:
s = v × t / 2

s = 1400 × 2,5 / 2

s = 70 × 25

s = 1.750 meter

s = 1,75 km

jawabannya B