A cylindrical steel rod has to be lightened by $4.70 \mathrm{~kg}$. If the density of steel is $7208 \mathrm{~kg} / \mathrm{m}^{3}$, and the radius of the rod is $2.95 \mathrm{~cm}$, how many centimetres of rod must be cut off?

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The Answer of A cylindrical steel rod has to be lightened by $4.70 \mathrm{~kg}$. If the density of steel is $7208 \mathrm{~kg} / \mathrm{m}^{3}$, and the radius of the rod is $2.95 \mathrm{~cm}$, how many centimetres of rod must be cut off?

A Cylindrical Steel Rod Has to Be Lightened By 4.70 kg4.70 \mathrm{~kg}4.70 kg

A Cylindrical Steel Rod Has to Be Lightened By $4.70 \mathrm{~kg}$