Answer:
The force needed is the weight of the rock minus the buoyant force.
Explanation:
It is a solid when is frozen and a liquid when it melts
Answer: C. 39 s
Explanation:
We know the constant speed is 0.22 m/s. We have to get to 8.5 m. We divide <u>8.5 m by 0.22</u> = 38.6. After we estimate, 6 is greater than 5, so 39 s.
They attract and stick together