Which of the following scenarios best describes a system where PE is increasing? A.
A tennis ball hit by a racket.
B.
A waterfall flowing off of a cliff.
C.
A soccer ball rolling up a hill.
D.
A boy sitting in his chair.

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.