Question

(3) Calculate the Density of a box having mass 50 g and it covers
volume of 20-cm3​

Answer 1

Answer:

Given, mass of substance, m=50g;

volume, V=20cm^3  

; density, ρ=?

The density of substance given is  

d= m/v    

= 50g/20cm^3  

=2.5gcm ^-3

Hence the density of the substance is greater than the density of water. Hence the weight acting downwards Vdg is greater than the buoyant force acting upwards Vρ  water  g.

Hence the substance will sink in water.

                                  <<<---HOPE THIS HELPS--->>>

Answer 2

Explanation:

use density mass volume formula then divide mass by volume