بايو بايت - BioByte

If the radius of a tube is reduced to half while the flow rate remains constant, the fluid velocity:

The pressure at the bottom in a liquid:

The pressure at a point in a liquid :  

A wooden box has a volume of 800 m3 and a mass of 200 kg. What is the maximum mass it can carry in water without sinking?

A solid object is released in water and rises upward with acceleration. Which relation is correct?