Apole-vaulter first converts kinetic energy into
a.
thermal energy.
b.
chemical energy.
c.
mechanical energy.
d.
elastic potential energy.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?