Charles augustin de coulomb (1736-1806) derived the law named after him (columbs law) in 1785 from his work using a torsion balance. To which of the following did this work most contribute

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

Of is j/kg·k. if a 2.6 kg of isk to k,is ?