v=10km/h化成m/s的单位?
v=10km/h化成m/s的单位?
∵1m/s=3.6km/h,1km/h= 1 3.6 m/s, ∴10km/h=10× 1 3.6 m/s≈2.8m/s, 1.5m/s=1.5×3.6km/h=5.4km/h. 故答案为:2.8;5.4.
v=10km/h化成m/s的单位?
∵1m/s=3.6km/h,1km/h= 1 3.6 m/s, ∴10km/h=10× 1 3.6 m/s≈2.8m/s, 1.5m/s=1.5×3.6km/h=5.4km/h. 故答案为:2.8;5.4.