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Solve the all parts of given question:
Question: The actual diameter of an atom is about a tenth of a nanometer (10-10 m). In order to develop some intuition for the molecular scale of a gas, assume that you are considering a liter of air (mostly N2 and O2) at room temperature and a pressure of one atmosphere 105 Pa. Put all your answers in the answer box, labeling each one by its letter and putting a blank line between each answer.
Part A: Calculate the number of molecules in the sample of gas.
Part B: Estimate the average spacing between the molecules.
Part C: Estimate the average speed of a molecule using the relation between the KE of a molecule and the temperature.
Part D: Suppose that the gas were rescaled upwards so that each atom was the size of a tennis ball. What would be the average spacing between molecules?
I am having a hard time understanding these questions. So if you answer please explain how you found the answers.
Suppose half the mass of a 20 kilogram bicycle is in its wheels and that the wheels are effectively rings. Determine the total kinetic energy of the bike when it is traveling at 7.28 m/s
A meter stick with a mass of 89.5 g is being supported at the 50 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of stick about that point is 0.00746 kgm^2. What is the period of oscillation ..
Ball rolls 60cm to the porch's edge, drops 40 cm, continues rollingon the grass, and eventually stops 80 cm from the porch'sedge. What is the magnitude of the ball's net displacement ,in centimeters?
The density of ice is 0.92 g/cm^3, and the density of seawater is 1.03 g/cm^3. A large iceberg floats in Artic waters. What fraction of the iceberg is exposed
question1a piece of copper wire has a resistance per unit length of6.1510-3? m. the wire is wound into a thin flat coil
Two point charges, Q_1 = -6.1 mu C and Q_2 = 2.0 mu C, are situated between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.30 m. suppose that the electric field produced by the charged plates is unifor..
A 0.180kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.40m above the floor. what is the speed of the block of ice when it reaches the floor
Two particles each have a mass of 5.80 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. They are initially held at rest at a distance of 0.70 m apart. Both are then released and accelerate toward each other. How fa..
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.8 m below A, another ball bearing is released from rest from a position 5.8 m below A. At what time after its release will the second ball bearing be overtaken by the..
A 200 N scaffold is held upby a wire at each end. The scaffold is 12 m long. A 300 N box sits4 m from the left end. What is the tension in each wire
define How long are the skid marks. calculate the time it takes the sled to go 21 m down the slope.
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