Question

Cheran Matric.School,
R.K.Puram,Karur.
Std:7 Date:15.07.20
Sub:Science Homework.
I. Do the numerical
Problems.
1) A solid cylinder of mass 280 kg has a volume of 4m^3. Find the
density of cylinder.
2) A box is made of iron and it has a volume of 125 cm^3. Find its mass. (Density of iron is 7.8 g/cm^3).
3) A sphere is made from copper whose mass is 3000 kg. If the density of
copper is 8900 kg/m^3, find the volume of the sphere.
Refer the video.

Answer 1

Answer:

l

Explanation:

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