A body of mass 0.05kg is observed to fall with an acceleration of 9.5ms^-2. The opposing force of air on the body is . [take g = 9.8 ms^-2]
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A body of mass 0.05kg is observed to fall with an acceleration of 9.5ms^-2. The opposing force of air on the body is . [take g = 9.8 ms^-2] A body of mass 0.05kg is observed to fall with an acceleration of 9.5ms^-2. The opposing force of air on the body is . [take g [...]