Answer:
Step-by-step explanation:
Uh... 3 1/2 jail? I don't know.
The answer is 2.6 m/s
The speed (v) is distance (d) through time (t).
v = d/t
We know:
d = 390 m
t = 150 s
v = d/t
v = 390 m / 150s
v = = 2.6 m/s
I don't understand Can you type it again?
For number one you should get 6√3