Physics, asked by sabrina1817, 10 months ago

The length of a wire is 4cm+_ 0.04cm, radius is 1cm +_ 0.01 cm . Find the volume​

Answers

Answered by ReRepeater
3

           Explanation:

Area = πr² = 3.14 x 10⁻⁴

Length = 4 x 10⁻⁴

Volume = Area x Length

              =  12.56 cm³

 

      Δv/v = 2Δr/r + Δl/l

                 = 2 x 0.01/1 + 0.04/4

                  =0.03 x v

           Δv  = 0.38

Thus volume is written as  12.56 cm³ ± 0.38

Hope you understand

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Answered by pgpreetigautam07
0

Answer:

88/8±0.38

Explanation:

l = 4±0.04 cm

r = 1±0.01 cm

volume of cylinder = πr²h

= 22/7 × (1) ²×4

= 22/7×4

= 88/7

we know,

Volume of cylinder = πr²h

where π is a dimensionless constant so, the formula will look something like this

V = r²h

∆V/V = 2∆r/r+∆h/h

∆V/88/7 = 2(0.01) /1 + 0.04/4

7∆V/88 = 0.02 + 0.01

7∆V/88 = 0.03

7∆V = 2.74

∆V = 2.64/7

:• ∆V = 0.38

x±∆x

=> 88/7±0.38

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