A block of wood of mass (density ) is firmly attached to a steel plate of mass (density )

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A block of wood of mass

0.90\,\text{kg}

(density

600\,\text{kg}/\text{m}^3

) is firmly attached to a steel plate of mass

3.9\,\text{kg}

(density

7800\,\text{kg}/\text{m}^3

). Calculate the average density of the combined object.