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
Answer:
so basically you can take more than one trip you can take the mother and the bag at the same time
Step-by-step explanation:
and then you can get the daughter in the son at the same time and then for the final trip you take the father by himself
A. It passes the vertical line test
Photo math can help with that