Fill in the blanks below: the flow of electricty is similar to the movement of water through a pipe. the movement is the the force of the current is the and the rate of the current is the for electricy to move it requires a complete so the electricty can flow both in and out.

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?

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

Which component of the earth’s atmosphere is decreased due to photosynthesis?