Answers

2016-01-06T19:23:31+08:00
140m/10s = 14m/s
answer = 14m/s
2 4 2
2016-01-06T20:02:14+08:00
S = d ÷ t
s = 140 m ÷ 10 s
s = 14 m/s

Therefore, the answer is 14 m/s.
2 5 2