Question

A metal cuboid of dimensions 5 cm × 4.4 cm × 3.5 cm is submerged in a cylinder of base radius 7 cm containing some water. Find the rise in the level of water in the cylinder.​

Answer 1

Answer:

0.5 cm is the rise

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Step-by-step explanation:

volume of the cuboid is

$lbh = 5 \times 4.4 \times 3.5 = 77 {cm}^{3}$

Hence 77 cm³ is the increase in volume. this volume will be absorbed by the cylinder.

let's find out the increase in height.

the volume of cylinder is

$\pi {r}^{2} h = 77 \\ \pi \times {7}^{2} \times h = 77 \\ \frac{22}{7} \times {7}^{2} \times h = 77 \\ h = 0.5 \: cm$

Answer 2

Step-by-step explanation:

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