Concrete curb
The concrete curb has a width of 20 cm at the bottom and 15 cm at the top. It is 20cm tall. Its length is 80 cm. The density of concrete is p=2100kg/m3.
How many can Mr. Havlík load on a trailer for a car if the trailer has a load capacity of 400 kg?
How many can Mr. Havlík load on a trailer for a car if the trailer has a load capacity of 400 kg?
Correct answer:
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