题目内容
3 t=_____kg
72 km/h=_____ m/s
40 cm/s2=_____m/s2
2 N/g=_____m/s2.
3×103 20 0.4 2×103
完成下列单位换算:
(1)0.1 mg=_________kg (2)4.2 t=_________kg
(3)54 km/h=_________m/s (4)10 cm/s2_________m/s2