如果砖的密度是2×103kg/m3,一块砖的体积是1.4×103cm3,那么一辆能装载4t的汽车最多能运多少块砖?
人气:365 ℃ 时间:2019-08-16 23:45:24
解答
一块砖的质量m=ρV=2×10
3kg/m
3×1.4×10
-3m
3=2.8kg,
一辆能装载4t的汽车最多能运n=
=
=1428块.
答:一辆能装载4t的汽车最多能运1428块.
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