Free charges do not remain stationary when close together. to illustrate this, calculate the magnitude of the instantaneous acceleration in, meters per second squared, of two isolated protons separated by 2.5 nm.

Abird sitting high in a tree is an example of what type of wnergy

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?