Why is history open to ongoing and changing interpretations? changing values limit interpretation. new evidence is not available. primary sources are determined to be unreliable. revisionists are overruled by tradit

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s