Idon't understand why when you use a straw the higher pressure outside of it pushes the water up the straw.

A50.0-n box is sliding on a rough horizontal floor, and the only horizontal force acting on it is friction. you observe that at one instant the box is sliding to the right at and that it stops in 2.25 s with uniform acceleration. what magnitude force does friction exert on this box

Which changes of state do the labels represent? a: b: c:

Which sound characteristic is not affected by the relative motion of an object