Determine the position of the cart when its kinetic energy equals its elastic potential energy.

here's the link to your question!

explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

increased stability in the completion of fluorine's outer shell.