1. Four 12-ohm resistors are connected in parallel. Calculate the total circuit resistance.

How is the gravitational force related to the distance between two objects?

Anybody wanna ? (picture included? )

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k