Complete the following sentence with a word or phrase.

Software programs used on smartphones to help with fitness are called ______ .

Rewrite the following sentence to avoid gender-biased pronouns. Show three versions of the sentence given.

If any student needs assistance, Kathy Yerkes will help him.

a.

b.

c.

The pressure inside a bottle of champagne is 4.5 atm higher than the air pressure outside. The neck of the bottle has an inner radius of 1.0 cm. What is the frictional force on the cork due to the neck of the bottle?

As the older population grows, how will it affect your life? Would you be willing to pay higher taxes to support government programs for older adults? Why or why not?

What are some differences between bacteria and viruses? How do certain pathogens develop drug resistance? What policies and programs should be enacted to protect us from drugresistant pathogens?

Interview three athletes from different sports in your school. How do their preseason conditioning programs differ?

What conservative programs did Nixon support?

Which weather patterns are caused by atmospheric pressure differences?

Refer to the graph in the earlier figures to answer the following:

a. Approximately how much does the air pressure drop (in millibars) between the surface and 4 kilometers? (Use a surface pressure of 1000 millibars.)

b. How much does the pressure drop between 4 and 8 kilometers?

c. Based on your answers to parts a and b, answer the following: With an increase in altitude, air pressure decreases at a(n) (constant, increasing, decreasing) rate. Underline the correct answer.

Where is the lowest and highest pressure in the vascular system found?

At what depth beneath the surface of the lake is the pressure in the water equal to twice atmospheric pressure? a. $~$ $10 \mathrm{~m}$ b. $~$ $100 \mathrm{~m}$ c. $~$ $1000 \mathrm{~m}$ d. $~$ $10,000 \mathrm{~m}$

A sealed cylinder contains a sample of ideal gas at a pressure of $2.0 \mathrm{~atm}$. The rms speed of the molecules is $v_0$. If the rms speed is then reduced to $0.90 v_0$, what is the pressure of the gas?

A tank with a flat bottom of area A and vertical sides is filled to a depth h with water. The pressure is Po at the top surface.

(a) What is the absolute pressure at the bottom of the tank?

(b) Suppose an object of mass M and density less than the density of water is placed into the tank and floats. No water overflows.

What is the resulting increase in pressure at the bottom of the tank?

The pressure 45.0 meters under water is 543 kPa. What is this pressure in atm?