Why is “soft” iron used for the core of an electromagnet? It is difficult to magnetize.

It has no magnetic domains.

It is a permanent magnet.

It is easily magnetized.

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

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?

If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?