calculate the work done in blowing a soap bubble of radius 3cm in air.

1.	calculate the work done in blowing a soap bubble of radius 3cm in air.the surface tension of soap is0.025 N/m
Answer» Given: Radius, R = 3 cm Surface TENSION, T = 0.025 N/m To FIND: Work done = ? Solution: As we know, Work done = $8 \pi r^2 T$ By SUBSTITUTING the given VALUES, we get = $8\times 3.14\times 9\times 0.01\times 0.025$ = $0.05652 \ Joule$ Thus, the work done will be "0.05652 J".

calculate the work done in blowing a soap bubble of radius 3cm in air.the surface tension of soap is0.025 N/m

Answer»

Given:

Radius,

R = 3 cm

Surface TENSION,

T = 0.025 N/m

To FIND:

Work done = ?

Solution:

As we know,

Work done = $8 \pi r^2 T$

By SUBSTITUTING the given VALUES, we get

= $8\times 3.14\times 9\times 0.01\times 0.025$

= $0.05652 \ Joule$

Thus, the work done will be "0.05652 J".

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calculate the work done in blowing a soap bubble of radius 3cm in air.the surface tension of soap is0.025 N/m

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