Answer:
5 no
Explanation:
actually the 4kg lying on table has no influence
it slides towards 4kg weight hung
as it has excess 2kg force
force=miu × m ×g
Answer:
No. of Molecules = 18.06 x 10²³ molecules
No. of Atoms of P = 3 atoms
No. of Atoms of Na = 9 atoms
Total No. of Atoms = 24 atoms
Explanation:
<u>FOR NUMBER OF MOLECULES</u>:
<u>No. of Molecules = 18.06 x 10²³ molecules</u>
<u></u>
<u>FOR NUMBER OF P ATOMS</u>:
<u>No. of Atoms of P = 3 atoms</u>
<u></u>
<u>FOR NUMBER OF Na ATOMS</u>:
<u>No. of Atoms of Na = 9 atoms</u>
<u></u>
<u>FOR TOTAL NUMBER OF ATOMS</u>:
<u>Total No. of Atoms = 24 atoms</u>
<u></u>
<u></u>
The only common property is that both of those things are comprised of H2O.
Answer:
<h2>Uses of plane mirrors</h2>
They are used in periscopes, for signalling, in kaleidoscopes, to see round dangerous bends, in meters, as mirror tiles, in a sextant, in an overhead projector, an SLR camera, car wing mirrors, in microscopes and as reflecting number plates to mention only some!
Explanation:
Hope it is helpful....
Answer:
0.47m3
Explanation:
Volume = Mass / Density
In this case:
Mass - 1280 kg
Density - 2700kg/m3
1280 / 2700 = 0.4740741m3
When this is rounded off ( 2 d.p ):
0.47 m3
HOPE THIS HELPED
