7. water flows steadily along a uniform flow tube of cross section area 20cm. The total pressure is 3x104pa and static pressure is 2.5x10^pa. Calculate the velocity
of the fluid.​

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?