Question

Two blocks joined together One block has a density of 9. Oglem? What is Overall density of two blocks joined together?​

Answer 1

Answer:

The specific gravity of both the blocks is given and it is also said that the blocks are joined together and they are floating in the water. We know the condition in which a body floats in water. By applying this condition we can find the ratio of the masses of the two blocks.

Explanation:

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Answer 2

Answer:

Explanation:

It is given that both are joined together and they are floating inside water such that they are completely dipped inside water.

so,

Total specific gravity = 2 + 0.5 = 2.5

We know that specific gravity is directly proportional to the density and density is directly proportional to the mass.

hence,

2.5 α Combined Mass of Blocks B and C

Also,

2.5 α 1 + Mass of C / Mass of B

2.5 - 1 α Mass of C / Mass of B

25/10 -1 α Mass of C / Mass of B

(25 - 10) / 10 α Mass of C / Mass of B

15 / 10 α Mass of C / Mass of B

3 / 2 α Mass of C / Mass of B

Hence, Mass of B / Mass of C = 2 /3

Thus, ratio of the masses of the blocks B and C is 2 : 3