The author s feeling about a subject or topic, which is evidenced in word choice, is called tone.
Answer:

Explanation:
The textbooks say that the maximum range for projectile motion (with no air resistance) is 45 degrees.
The one that both benefits each other is the one I think it's mutalistic
T=s/v=>t=1500/1,5=1000s
1,5km=1500m
Dropping a nuke on another country.