Which of the following would have the strongest electric field? multiple choice.
a in a fluorescent lighting tube
b in the atmosphere during fair weather
c under a thundercloud or in a lightning bolt
d all of these are equal

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

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 substances that are necessary for producing of certain hormones and that store and transport vitamins