A drop of mass \( 1.00 \mathrm{~g} \) falling from a height \( 1.00 \mathrm{~km} \). It hits the...

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A drop of mass \( 1.00 \mathrm{~g} \) falling from a height \( 1.00 \mathrm{~km} \). It hits the ground with a speed of \( 50.0 \mathrm{~ms}^{-1} \). What is the work done by the unknown resistive force?
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