Answer:
i think C
Explanation:
You record your own proper time interval.
A tennis player who is recovering from an ankle injury and is not allowed to change directions can maintain her cardio fitness level by using the rowing machine, the stationary bike with one leg, or swimming. These activities do not require a change in direction. These activities will not give strain to the injured part.
Answer: 
Explanation:
Given
the height of the tank is 
The diameter of the tank is 
Density of solution 
Water pressure at the bottom of the tank is




