Question

If mass is 2kg and volume is 3m cube Find -
1. Density of the object
2. Relative density
3. it will float or sink ? Why?

Answer 1

Answer:

Density

$\rho = \frac{m}{v} = \frac{2}{3} \: \: \frac{kg}{ {m}^{3} }$

It's relative density

$= \frac{ \rho(matter)}{ \rho(water)} = \frac{ \frac{2}{3} }{1000} = \frac{1}{1500}$

It will float because it's density is too less then water . In other word it's light .

Answer 2

Answer:

density = (2÷3)kg per metre cube

relative density = (2÷3000)

the object will float....

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