A train pulls the boxcars. What are the vertical forces present? (1 point) O weight, push of tracks against wheels
O pull of air on boxcars, push of tracks against wheels
O weight, pull of air on boxcars
O weight, friction

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

a skateboard rolling across the street - apex

electric field is a function of 1/r^2

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

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr