A plastic ball is rising in water with terminal speed v. If we use a different plastic whose density is double that of the original ball but still less that density of water, keeping the radius same, the terminal speed would be:

Option 1 -

Doubled

Option 2 -

Half

Option 3 -

More than original value

Option 4 -

Less than original value

0 2 Views | Posted 3 weeks ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    3 weeks ago
    Correct Option - 4


    Detailed Solution:

    v = 2 9 r 2 g ( ρ σ ) η

    v ' = 2 9 r 2 g ( ρ 2 σ ) η

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