Science, asked by divyaprince82ozm2xp, 4 months ago

ACTICE 6
Class 9
Science
10 Jan 20
The rate of growth of hair on the human head has been estimated as about 0.44
mm per day. Assuming that this rate is uniform, about what LENGTH of hair
About 300 m
(considering just 1 strand) would a normal male adult cut in 20 years?
About 30 m
About 3 m
About 30 cm​

Answers

Answered by suryanshpratap2018
1

Answer:

About 30M ans

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Answered by steffis
1

The length of hair after 20 years will be approximately:

3. About 3 m.

  • According to the question,

                       Rate of growth per day = 0.44 mm

                       Time period = 20 years

                       Number of days in a year = 365 days

  • Therfore, the length of hair will be :

                     =0.44 x 20 x 365

                     =3212 mm

                     =3.2 m (approx 3 m)

  • The length of hair after 20 years will be approximately 3 metres
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