Which ions are most abundant in water ?

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

What is special about a dc circuit ?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little