Some transition metals form more than one type of ion. how are these ions distinguished from one another in writing formulas for compounds? using roman numerals using latin prefixes using numerical superscripts using arabic numerals !

What’s #16 asking me and how do i solve it?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

What will happen in a hybrid vehicle if current flow becomes too high due to a short?