Answer:


Explanation:
Average power for the human sprinter is given as

so we have



Average power for greyhound is given as



I think it’s 15cm
Might be 7cm
Answer:
Reflective clothing. So vehicles can see them and stuff.
You multiply the mass by the acceleration 82*7.5=615; that's what I would do
My inference is that the water molecules are moving up and down. I don't know for sure but i'm usually correct.