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The terminal speed attained by an aluminium sphere of radius 1

Question

The terminal speed attained by an aluminium sphere of radius $1$ mm falling through water at $2 0^{0}$ will be close to ( Assuming laminar flow, specific gravity of $A I = 2.7 an d η_{w a t er} = 8 \times 1 0^{- 4} P I$ )

9.2 m/s

6.9 m/s

4.6 m/s

2.3 m/s

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Emma Discussed

The terminal speed attained by an aluminium sphere of radius

1

mm falling through water at

2 0^{0}

will be close to ( Assuming laminar flow, specific gravity of

A I = 2.7 an d η_{w a t er} = 8 \times 1 0^{- 4} P I

)

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Question Text

The terminal speed attained by an aluminium sphere of radius

1

mm falling through water at

2 0^{0}

will be close to ( Assuming laminar flow, specific gravity of

A I = 2.7 an d η_{w a t er} = 8 \times 1 0^{- 4} P I

)

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