Question

A spherical iron ball is dropped into a cylindrical vessel of base diameter 14 cm, containing water. The water level is increased by 28/3cm. Then the radius of the balls is

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Answer 1

Answer:

Let the increase in height of water level be h

The increase in volume of water will be equal to volume of ball immersed

⟹π(12)2h=34π(6)3⟹h=2 cm

Step-by-step explanation:

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Answer 2

Answer:

volume of cylinder = π*r*r*h

(find the value by yourself)

volume of sphere = Read formula in the book

Now, Find the volume of sphere

and then find its radius