# Question

In an open U-tube, the pressure of a water column on one side is balanced by the pressure of a column of gasoline on the other side.

(a) Compared to the height of the water column, the gasoline column will have (1) a higher height, (2) a lower height, or (3) the same height. Why?

(b) If the height of the water column is 15 cm, what is the height of the gasoline column?

(a) Compared to the height of the water column, the gasoline column will have (1) a higher height, (2) a lower height, or (3) the same height. Why?

(b) If the height of the water column is 15 cm, what is the height of the gasoline column?

## Answer to relevant Questions

A75.0-kg athlete performs a single-hand handstand. If the area of the hand in contact with the floor is 125 cm2, what pressure is exerted on the floor? In a lecture demonstration, an empty can is used to demonstrate the force exerted by air pressure (Fig. 9.35). A small quantity of water is poured into the can, and the water is brought to a boil. Then the can is sealed with ...The pressure exerted by a person’s lungs can be measured by having the person blow as hard as possible into one side of a manometer. If a person blowing into one side of an open tube manometer produces an 80-cm difference ...A hypodermic syringe has a plunger of area 2.5 cm2 and a 5.0 x 10-3 cm2 needle. (a) If a 1.0-N force is applied to the plunger, what is the gauge pressure in the syringe’s chamber? (b) If a small obstruction is present ...A 250-N force is applied at a 37o angle to the surface of the end of a square bar. The surface is 4.00 cm on a side. What are (a) The compressional stress and (b) The shear stress on the bar?Post your question

0