Question

A SOLID CUBE OF COPPER OF MASS 900 GM IS GIVEN TO A STUDENT A.HE FINDS OUT THE VOLUME OF THE CUBE TO BE 100 CM SQ. HE THEN DIPPED THE CUBE IN TAP WATER. THE MASS OF WATER DISPLACED CALCULATED BY HIM WILL BE:

Answer 1

Answer:

Here, mass m=100kg,

density ρ=500kgm

−3

Volume of the body, V=

ρ

m

=

500

100

=0.2m

3

Weight of water displaced

=Vρg

=0.2×10

3

×g

=200gkgwt

Mass of water displaced =200kg

∴ the additional mass which can be added to body, so that body can sink

=200−100=100kg

Explanation:

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Answer 2

Question ⤵

A SOLID CUBE OF COPPER OF MASS 900 GM IS GIVEN TO A STUDENT A.HE FINDS OUT THE VOLUME OF THE CUBE TO BE 100 CM SQ. HE THEN DIPPED THE CUBE IN TAP WATER. THE MASS OF WATER DISPLACED CALCULATED BY HIM WILL BE:

Solution ⤵

Given ⤵

• Copper Mass => 900 GM
• Volume of Cube => 100 CM^2

To Find⤵

• How many Mass of water displaced

Solutions ⤵

Volume of solid cube =100cm^2

Mass of cube=900 g

Density of cube = Mass/Volume ⤵

$\frac{900}{100} {cm}^{2} = 9 {cm}^{2}$

Mass of water displaced = Volume of solid×Density of water

9cm^2 × 1g/cm^2 = 9g

Answer:- 9 Gram Mass of water displaced✔