A charge of 4.0 microC is placed at each corner of a square 0.10 m on a side. (a) Draw the force vector on the upper right charge.
(b) Determine the magnitude and direction of the force.

What is the measurement of how fast an object moves relative to a reference point?

What causes the formation of ocean currents?

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?