Answer:6hrs and &270
8hours and &360
9.5hours and&427.50
Step-by-step explanation:
I think
A. convert the time to seconds, so all the time are 7070sec and the total course to meter.
so 31300meter
Vector = TotalCourse÷total time
V=31300/7070=4.427157m/s
convert it to km/h so 4.427157×36÷10=
15.9377km/h
B. 45÷15.9377=2.823Hour
it means that around 2 Hour 48Minutes more.
i think the teacher need to simplify it
Answer:
A is correct
Step-by-step explanation:
You add up 1+1+1+1+2 and you get 6. You then subtract 6 by 200 and your answer is -194