Two differences between electric charges and magnetic poles are that charges can exist alone and poles occur in pairs, and a pole will attract any uncharged object whereas a charge do not attract substances.

True or False

How are calculation for velocity and speed different

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

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?