An open rectangular box (thin-walled so its own volume is negligible) has external…

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

An open rectangular box (thin-walled so its own volume is negligible) has external dimensions

0.40\,\text{m}\times0.20\,\text{m}\times0.10\,\text{m}

and a mass of

2.0\,\text{kg}

. When placed empty in calm freshwater, it floats with

2.5\,\text{cm}

of its height submerged. What is the maximum additional mass the box can carry before water begins to spill over its rim? (a)

8\,\text{kg}

(b)

5.2\,\text{kg}

(c)

6\,\text{kg}

(d)

4\,\text{kg}