They are unbalanced forces ..... Hope this helps :3
Answer:
okay
Explanation:
(wish i could help but im just answering for points)
Answer:
Explanation:
Given
distance traveled by Passenger train is 
distance traveled by Freight train is 
Both take same time to travel
suppose speed of freight train is x mph
so speed of passenger train is 20+x mph
we know time




speed of passenger train