What mineral is most abundant in granite

What should the power status of a circuit be when measuring resistance with an ohmmeter?

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?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?