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A small steel ball falls through a syrup at a constant speed of 1.0m/s. If the steel ball is pulled upwards with a force equal to twice its effective weight, how fast will it move upwards? |
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Answer» Solution :`W_(e)` = EFFECTIVE weight In equilibrium, `kv=w_(e)` Again, `2w_(e)-w_(e)=kv^(1)` From Eqs. (i) and (II) `v^(1)=v=1.0m//s`
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