Mass of caboose 1000 kg
mass of caboose plus mass of middle car = 3000 kg
a = 5
F = ma
3000 * 5 = 15.000 N
hope this help
Greek philosophers Leucippus and Democritus first developed the concept of the atom in the 5th century B.C.E.
Answer:
He is pink panther. How nerdy does he sound?
Explanation:
Democritus theorized that atoms were specific to the material which they composed
