a group of skydivers are attempting to jump. from a plane how would the velocity of the wind of the plane be useful in determining where the skydivers should jump from

What is created when solids,liquids,an gases mix with one another

How will the system respond to a temperature increase?

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?