What factor dictates the starting potential energy of the newtons cradle?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which of these parts of the membrane large moecules pass through it ?