Food Chain and Food Web (Ecosystem) EVS, B. Pharmacy 1st Year, Sem-II
200 mass of_cylinder-mcg
1. Comenius Dipl.-Math. T. Günther
g
Steel is a major component in buildings, tools, ships or automobiles. The density of steel is approximately 7.8 cm3 .
1. Exercise:
Estimate the mass of the (hollow) cylinder which is moved by the crane.
2. Exercise:
Estimate the total mass of the steel cylinders in the picture.
3. Exercise:
How many cars can be builed under the assumption that the production of each car needs 500 kg steel?