问题
填空题
“祥云”火炬在泉州传递时,某火炬手跑完200m路程用了80s,他的平均速度为______m/s,合______Km/h.
答案
火炬手平均速度:
v=
=s t
=2.5m/s,200m 80s
2.5m/s=2.5×3.6km/h=9km/h.
故答案为:2.5,9.
“祥云”火炬在泉州传递时,某火炬手跑完200m路程用了80s,他的平均速度为______m/s,合______Km/h.
火炬手平均速度:
v=
=s t
=2.5m/s,200m 80s
2.5m/s=2.5×3.6km/h=9km/h.
故答案为:2.5,9.