Questions from College Physics

Q: Each of five cylindrical drums with radius R is filled to a

Each of five cylindrical drums with radius R is filled to a height h above the bottom with a liquid of density ρ. Rank the drums in order of the pressure at the bottom of the drum, largest to smallest...

Q: What is the total translational kinetic energy of the gas molecules of

What is the total translational kinetic energy of the gas molecules of air at atmospheric pressure that occupies a volume of 1.00 L?

Q: Michael has set the gauge pressure of the tires on his car

Michael has set the gauge pressure of the tires on his car to 36.0 lb/in2. He draws chalk lines around the edges of the tires where they touch the driveway surface to measure the area of contact betwe...

Q: What is the kinetic energy per unit volume in an ideal gas

What is the kinetic energy per unit volume in an ideal gas at (a) P = 1.00 atm and (b) P = 300.0 atm?

Q: (a) Calculate Earth's escape speed—the minimum speed needed

(a) Calculate Earth's escape speed—the minimum speed needed for an object near the surface to escape Earth's gravitational pull. [Hint: Use conservation of energy and ignore air resistance.] (b) Calcu...

Q: Show that, for an ideal gas, / where

Show that, for an ideal gas, where P is the pressure, ρ is the mass density, and vrms is the rms speed of the gas molecules.

Q: Rank the time intervals in order of decreasing velocity vx, from

Rank the time intervals in order of decreasing velocity vx, from largest positive to largest negative.

Q: A long, narrow steel rod of length 2.5000 m

A long, narrow steel rod of length 2.5000 m at 25°C is oscillating as a pendulum about a horizontal axis through one end. If the temperature changes to 0°C, what will be the fractional change in its p...

Q: Rank the six gases of Problem 43 in order of the total

Rank the six gases of Problem 43 in order of the total translational kinetic energy, greatest to least.

Q: A temperature change ΔT causes a volume change ΔV but has no

A temperature change ΔT causes a volume change ΔV but has no effect on the mass of an object. (a) Show that the change in density Δρ is given by Δρ = −βρ ΔT. (b) Find the fractional change in density...