Answer:
The speed of light measured in any frame is c = 3.00E8 m/s.
This is one of Einstein's postulates of special relativity.
Answer:

Explanation:
The buoyant force F is equal to the weight of the displaced fluid. The weight of the displaced fluid is
, where
is the mass of the displaced fluid. The mass of the displaced fluid is
, where
is the density of the fluid and
is the displaced volume, which is equal to the submerged volume of the cilinder
.
Putting all together we have:

Answer:
cellular respiration , note how it says oxygen