What is the speed of the green line if the distance it covered is 4 m in a time of one second 40m/s

4m/s

2m/s

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Name the intersection of plane bpq and plane cpq.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.