A metal ball of radius 2 mm and density 10.5 gm/cm3 is dropped in glycerin of coefficient of viscosity 9.8 dyne cm^-2 s and density 1.5gm/cm3. The terminal velocity of the ball is:
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Answer:
From the formula of Terminal velocity,
V=
9η
2gr
2
(T−σ)
=
9×9.8
2×980×(0.2)
2
(10.5−1.5)
cm/s
= 8 cm/s
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