A rope exerts a force of magnitude 28N, at an angle 29 degree above the horizontal, on a box at rest on horizontal floor. The coefficients of friction between the box and the floor are static friction=0.45 and kinetic friction=0.41?
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"Which following pairs of atoms, have a lower electron affinity? a) Ca,K b) I,F c) Li, Ra. I seriously don't know anything about electron affinity all ik that it can buy another element"
1 Answer
Oct 6, 2015
This is part of the question --> The box remains at rest. Determine the smallest possible mass of the box
