Physics, asked by kiruwa, 1 month ago

Compute for the specific weight (N/m3) of a spherical ball if the diameter is 21 cm and has a mass of 10 kg.

Answers

Answered by rajanijha06
0

Answer:

Volume of one balloon :

=

3

4

πr

3

=

3

4

×

7

22

×(

2

21

)

3

=4851 cm

3

=4.851 litre

Let n balloons be filled; thus, total volume of hydrogen used in filling balloons

=4.851×n litre

Total volume of hydrogen in the cylinder at NTP,

V=

300×1

20×2.82×273

=51.324 litre

Actual volume of H

2

to be transferred to balloons

=51.324−2.82(2.82 litre retained in the cylinder)

=48.504 litre

No. of balloons filled

n

=

4.851

48.504

≈10.

Explanation:

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